Home / 16,252.48-22,428.24-9,178.80

Finding the Fourth Proportional to 16,252.48, 22,428.24 and 9,178.80

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Solution

The fourth proportional to 16,252.48, 22,428.24 and 9,178.80 is: 12,666.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,252.48 : 22,428.24 = 9,178.80 : x
  2. Step 2: Convert to fraction form
    16,252.48/22,428.24 = 9,178.80/x
  3. Step 3: Cross multiply
    16,252.48x = 22,428.24 × 9,178.80
  4. Step 4: Simplify right side
    16,252.48x = 205,864,329.31
  5. Step 5: Solve for x
    x = 205,864,329.31/16,252.48
  6. Step 6: Final answer
    x = 12,666.64

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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.