Home / 16,036.78-22,127.22-9,318.52

Finding the Fourth Proportional to 16,036.78, 22,127.22 and 9,318.52

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Solution

The fourth proportional to 16,036.78, 22,127.22 and 9,318.52 is: 12,857.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,036.78 : 22,127.22 = 9,318.52 : x
  2. Step 2: Convert to fraction form
    16,036.78/22,127.22 = 9,318.52/x
  3. Step 3: Cross multiply
    16,036.78x = 22,127.22 × 9,318.52
  4. Step 4: Simplify right side
    16,036.78x = 206,192,942.11
  5. Step 5: Solve for x
    x = 206,192,942.11/16,036.78
  6. Step 6: Final answer
    x = 12,857.50

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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.