Home / 22,237.28-30,686.28-12,163.76

Finding the Fourth Proportional to 22,237.28, 30,686.28 and 12,163.76

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Solution

The fourth proportional to 22,237.28, 30,686.28 and 12,163.76 is: 16,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,237.28 : 30,686.28 = 12,163.76 : x
  2. Step 2: Convert to fraction form
    22,237.28/30,686.28 = 12,163.76/x
  3. Step 3: Cross multiply
    22,237.28x = 30,686.28 × 12,163.76
  4. Step 4: Simplify right side
    22,237.28x = 373,260,545.21
  5. Step 5: Solve for x
    x = 373,260,545.21/22,237.28
  6. Step 6: Final answer
    x = 16,785.35

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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.