Home / 16,356.12-22,553.10-10,380.12

Finding the Fourth Proportional to 16,356.12, 22,553.10 and 10,380.12

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Solution

The fourth proportional to 16,356.12, 22,553.10 and 10,380.12 is: 14,312.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,356.12 : 22,553.10 = 10,380.12 : x
  2. Step 2: Convert to fraction form
    16,356.12/22,553.10 = 10,380.12/x
  3. Step 3: Cross multiply
    16,356.12x = 22,553.10 × 10,380.12
  4. Step 4: Simplify right side
    16,356.12x = 234,103,884.37
  5. Step 5: Solve for x
    x = 234,103,884.37/16,356.12
  6. Step 6: Final answer
    x = 14,312.92

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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.