Home / 16,457.38-22,711.79-9,383.45

Finding the Fourth Proportional to 16,457.38, 22,711.79 and 9,383.45

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Solution

The fourth proportional to 16,457.38, 22,711.79 and 9,383.45 is: 12,949.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,457.38 : 22,711.79 = 9,383.45 : x
  2. Step 2: Convert to fraction form
    16,457.38/22,711.79 = 9,383.45/x
  3. Step 3: Cross multiply
    16,457.38x = 22,711.79 × 9,383.45
  4. Step 4: Simplify right side
    16,457.38x = 213,114,855.78
  5. Step 5: Solve for x
    x = 213,114,855.78/16,457.38
  6. Step 6: Final answer
    x = 12,949.50

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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.