Home / 23,742.01-32,760.12-13,129.59

Finding the Fourth Proportional to 23,742.01, 32,760.12 and 13,129.59

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Solution

The fourth proportional to 23,742.01, 32,760.12 and 13,129.59 is: 18,116.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,742.01 : 32,760.12 = 13,129.59 : x
  2. Step 2: Convert to fraction form
    23,742.01/32,760.12 = 13,129.59/x
  3. Step 3: Cross multiply
    23,742.01x = 32,760.12 × 13,129.59
  4. Step 4: Simplify right side
    23,742.01x = 430,127,079.11
  5. Step 5: Solve for x
    x = 430,127,079.11/23,742.01
  6. Step 6: Final answer
    x = 18,116.71

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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.