Home / 23,389.32-32,277.38-12,779.14

Finding the Fourth Proportional to 23,389.32, 32,277.38 and 12,779.14

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Solution

The fourth proportional to 23,389.32, 32,277.38 and 12,779.14 is: 17,635.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,389.32 : 32,277.38 = 12,779.14 : x
  2. Step 2: Convert to fraction form
    23,389.32/32,277.38 = 12,779.14/x
  3. Step 3: Cross multiply
    23,389.32x = 32,277.38 × 12,779.14
  4. Step 4: Simplify right side
    23,389.32x = 412,477,157.85
  5. Step 5: Solve for x
    x = 412,477,157.85/23,389.32
  6. Step 6: Final answer
    x = 17,635.28

Related Problems

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Half scale
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Double scale
Find fourth proportional to 23,390.32, 32,278.76 and 12,780.14
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.