Home / 15,997.11-22,086.90-10,345.53

Finding the Fourth Proportional to 15,997.11, 22,086.90 and 10,345.53

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Solution

The fourth proportional to 15,997.11, 22,086.90 and 10,345.53 is: 14,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,997.11 : 22,086.90 = 10,345.53 : x
  2. Step 2: Convert to fraction form
    15,997.11/22,086.90 = 10,345.53/x
  3. Step 3: Cross multiply
    15,997.11x = 22,086.90 × 10,345.53
  4. Step 4: Simplify right side
    15,997.11x = 228,500,686.56
  5. Step 5: Solve for x
    x = 228,500,686.56/15,997.11
  6. Step 6: Final answer
    x = 14,283.87

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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.