Home / 15,972.42-22,040.12-9,256.66

Finding the Fourth Proportional to 15,972.42, 22,040.12 and 9,256.66

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Solution

The fourth proportional to 15,972.42, 22,040.12 and 9,256.66 is: 12,773.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.42 : 22,040.12 = 9,256.66 : x
  2. Step 2: Convert to fraction form
    15,972.42/22,040.12 = 9,256.66/x
  3. Step 3: Cross multiply
    15,972.42x = 22,040.12 × 9,256.66
  4. Step 4: Simplify right side
    15,972.42x = 204,017,897.20
  5. Step 5: Solve for x
    x = 204,017,897.20/15,972.42
  6. Step 6: Final answer
    x = 12,773.14

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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.