Home / 14,400.38-21,600.56-6,192.38

Finding the Fourth Proportional to 14,400.38, 21,600.56 and 6,192.38

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Solution

The fourth proportional to 14,400.38, 21,600.56 and 6,192.38 is: 9,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.38 : 21,600.56 = 6,192.38 : x
  2. Step 2: Convert to fraction form
    14,400.38/21,600.56 = 6,192.38/x
  3. Step 3: Cross multiply
    14,400.38x = 21,600.56 × 6,192.38
  4. Step 4: Simplify right side
    14,400.38x = 133,758,875.73
  5. Step 5: Solve for x
    x = 133,758,875.73/14,400.38
  6. Step 6: Final answer
    x = 9,288.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.