Home / 22,332.15-30,818.23-12,260.75

Finding the Fourth Proportional to 22,332.15, 30,818.23 and 12,260.75

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Solution

The fourth proportional to 22,332.15, 30,818.23 and 12,260.75 is: 16,919.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,332.15 : 30,818.23 = 12,260.75 : x
  2. Step 2: Convert to fraction form
    22,332.15/30,818.23 = 12,260.75/x
  3. Step 3: Cross multiply
    22,332.15x = 30,818.23 × 12,260.75
  4. Step 4: Simplify right side
    22,332.15x = 377,854,428.73
  5. Step 5: Solve for x
    x = 377,854,428.73/22,332.15
  6. Step 6: Final answer
    x = 16,919.75

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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.