Home / 19,816.20-29,761.36-17,445.16

Finding the Fourth Proportional to 19,816.20, 29,761.36 and 17,445.16

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Solution

The fourth proportional to 19,816.20, 29,761.36 and 17,445.16 is: 26,200.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.20 : 29,761.36 = 17,445.16 : x
  2. Step 2: Convert to fraction form
    19,816.20/29,761.36 = 17,445.16/x
  3. Step 3: Cross multiply
    19,816.20x = 29,761.36 × 17,445.16
  4. Step 4: Simplify right side
    19,816.20x = 519,191,687.02
  5. Step 5: Solve for x
    x = 519,191,687.02/19,816.20
  6. Step 6: Final answer
    x = 26,200.37

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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.