Home / 23,389.64-32,277.33-12,779.05

Finding the Fourth Proportional to 23,389.64, 32,277.33 and 12,779.05

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Solution

The fourth proportional to 23,389.64, 32,277.33 and 12,779.05 is: 17,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,389.64 : 32,277.33 = 12,779.05 : x
  2. Step 2: Convert to fraction form
    23,389.64/32,277.33 = 12,779.05/x
  3. Step 3: Cross multiply
    23,389.64x = 32,277.33 × 12,779.05
  4. Step 4: Simplify right side
    23,389.64x = 412,473,533.24
  5. Step 5: Solve for x
    x = 412,473,533.24/23,389.64
  6. Step 6: Final answer
    x = 17,634.88

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Double scale
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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.