Home / 19,816.11-29,761.20-17,445.04

Finding the Fourth Proportional to 19,816.11, 29,761.20 and 17,445.04

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Solution

The fourth proportional to 19,816.11, 29,761.20 and 17,445.04 is: 26,200.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.11 : 29,761.20 = 17,445.04 : x
  2. Step 2: Convert to fraction form
    19,816.11/29,761.20 = 17,445.04/x
  3. Step 3: Cross multiply
    19,816.11x = 29,761.20 × 17,445.04
  4. Step 4: Simplify right side
    19,816.11x = 519,185,250.05
  5. Step 5: Solve for x
    x = 519,185,250.05/19,816.11
  6. Step 6: Final answer
    x = 26,200.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.