Home / 16,281.10-22,468.32-9,110.78

Finding the Fourth Proportional to 16,281.10, 22,468.32 and 9,110.78

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Solution

The fourth proportional to 16,281.10, 22,468.32 and 9,110.78 is: 12,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,281.10 : 22,468.32 = 9,110.78 : x
  2. Step 2: Convert to fraction form
    16,281.10/22,468.32 = 9,110.78/x
  3. Step 3: Cross multiply
    16,281.10x = 22,468.32 × 9,110.78
  4. Step 4: Simplify right side
    16,281.10x = 204,703,920.49
  5. Step 5: Solve for x
    x = 204,703,920.49/16,281.10
  6. Step 6: Final answer
    x = 12,573.10

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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.