Home / 22,319.92-30,801.78-12,248.16

Finding the Fourth Proportional to 22,319.92, 30,801.78 and 12,248.16

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Solution

The fourth proportional to 22,319.92, 30,801.78 and 12,248.16 is: 16,902.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319.92 : 30,801.78 = 12,248.16 : x
  2. Step 2: Convert to fraction form
    22,319.92/30,801.78 = 12,248.16/x
  3. Step 3: Cross multiply
    22,319.92x = 30,801.78 × 12,248.16
  4. Step 4: Simplify right side
    22,319.92x = 377,265,129.72
  5. Step 5: Solve for x
    x = 377,265,129.72/22,319.92
  6. Step 6: Final answer
    x = 16,902.62

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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.