Home / 23,389.12-32,277.44-12,779.42

Finding the Fourth Proportional to 23,389.12, 32,277.44 and 12,779.42

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Solution

The fourth proportional to 23,389.12, 32,277.44 and 12,779.42 is: 17,635.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,389.12 : 32,277.44 = 12,779.42 : x
  2. Step 2: Convert to fraction form
    23,389.12/32,277.44 = 12,779.42/x
  3. Step 3: Cross multiply
    23,389.12x = 32,277.44 × 12,779.42
  4. Step 4: Simplify right side
    23,389.12x = 412,486,962.28
  5. Step 5: Solve for x
    x = 412,486,962.28/23,389.12
  6. Step 6: Final answer
    x = 17,635.85

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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.