Home / 23,781.90-32,818.59-13,171.32

Finding the Fourth Proportional to 23,781.90, 32,818.59 and 13,171.32

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Solution

The fourth proportional to 23,781.90, 32,818.59 and 13,171.32 is: 18,176.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,781.90 : 32,818.59 = 13,171.32 : x
  2. Step 2: Convert to fraction form
    23,781.90/32,818.59 = 13,171.32/x
  3. Step 3: Cross multiply
    23,781.90x = 32,818.59 × 13,171.32
  4. Step 4: Simplify right side
    23,781.90x = 432,264,150.84
  5. Step 5: Solve for x
    x = 432,264,150.84/23,781.90
  6. Step 6: Final answer
    x = 18,176.18

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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.