Home / 19,350.18-29,052.20-9,997.11

Finding the Fourth Proportional to 19,350.18, 29,052.20 and 9,997.11

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Solution

The fourth proportional to 19,350.18, 29,052.20 and 9,997.11 is: 15,009.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,350.18 : 29,052.20 = 9,997.11 : x
  2. Step 2: Convert to fraction form
    19,350.18/29,052.20 = 9,997.11/x
  3. Step 3: Cross multiply
    19,350.18x = 29,052.20 × 9,997.11
  4. Step 4: Simplify right side
    19,350.18x = 290,437,989.16
  5. Step 5: Solve for x
    x = 290,437,989.16/19,350.18
  6. Step 6: Final answer
    x = 15,009.58

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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.