Home / 42,553.52-63,831.12-11,388.48

Finding the Fourth Proportional to 42,553.52, 63,831.12 and 11,388.48

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Solution

The fourth proportional to 42,553.52, 63,831.12 and 11,388.48 is: 17,082.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,553.52 : 63,831.12 = 11,388.48 : x
  2. Step 2: Convert to fraction form
    42,553.52/63,831.12 = 11,388.48/x
  3. Step 3: Cross multiply
    42,553.52x = 63,831.12 × 11,388.48
  4. Step 4: Simplify right side
    42,553.52x = 726,939,433.50
  5. Step 5: Solve for x
    x = 726,939,433.50/42,553.52
  6. Step 6: Final answer
    x = 17,082.94

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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.