Home / 23,753.61-32,781.65-13,143.69

Finding the Fourth Proportional to 23,753.61, 32,781.65 and 13,143.69

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Solution

The fourth proportional to 23,753.61, 32,781.65 and 13,143.69 is: 18,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,753.61 : 32,781.65 = 13,143.69 : x
  2. Step 2: Convert to fraction form
    23,753.61/32,781.65 = 13,143.69/x
  3. Step 3: Cross multiply
    23,753.61x = 32,781.65 × 13,143.69
  4. Step 4: Simplify right side
    23,753.61x = 430,871,779.57
  5. Step 5: Solve for x
    x = 430,871,779.57/23,753.61
  6. Step 6: Final answer
    x = 18,139.21

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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.