Home / 23,740.18-32,761.08-13,129.57

Finding the Fourth Proportional to 23,740.18, 32,761.08 and 13,129.57

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Solution

The fourth proportional to 23,740.18, 32,761.08 and 13,129.57 is: 18,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,740.18 : 32,761.08 = 13,129.57 : x
  2. Step 2: Convert to fraction form
    23,740.18/32,761.08 = 13,129.57/x
  3. Step 3: Cross multiply
    23,740.18x = 32,761.08 × 13,129.57
  4. Step 4: Simplify right side
    23,740.18x = 430,138,893.14
  5. Step 5: Solve for x
    x = 430,138,893.14/23,740.18
  6. Step 6: Final answer
    x = 18,118.60

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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.