Home / 22,856.34-31,545.11-13,902.11

Finding the Fourth Proportional to 22,856.34, 31,545.11 and 13,902.11

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Solution

The fourth proportional to 22,856.34, 31,545.11 and 13,902.11 is: 19,186.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,856.34 : 31,545.11 = 13,902.11 : x
  2. Step 2: Convert to fraction form
    22,856.34/31,545.11 = 13,902.11/x
  3. Step 3: Cross multiply
    22,856.34x = 31,545.11 × 13,902.11
  4. Step 4: Simplify right side
    22,856.34x = 438,543,361.95
  5. Step 5: Solve for x
    x = 438,543,361.95/22,856.34
  6. Step 6: Final answer
    x = 19,186.95

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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.