Home / 16,558.13-22,850.78-9,387.96

Finding the Fourth Proportional to 16,558.13, 22,850.78 and 9,387.96

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Solution

The fourth proportional to 16,558.13, 22,850.78 and 9,387.96 is: 12,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,558.13 : 22,850.78 = 9,387.96 : x
  2. Step 2: Convert to fraction form
    16,558.13/22,850.78 = 9,387.96/x
  3. Step 3: Cross multiply
    16,558.13x = 22,850.78 × 9,387.96
  4. Step 4: Simplify right side
    16,558.13x = 214,522,161.67
  5. Step 5: Solve for x
    x = 214,522,161.67/16,558.13
  6. Step 6: Final answer
    x = 12,955.70

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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.