Home / 22,320.05-33,488.80-9,831.29

Finding the Fourth Proportional to 22,320.05, 33,488.80 and 9,831.29

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Solution

The fourth proportional to 22,320.05, 33,488.80 and 9,831.29 is: 14,750.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.05 : 33,488.80 = 9,831.29 : x
  2. Step 2: Convert to fraction form
    22,320.05/33,488.80 = 9,831.29/x
  3. Step 3: Cross multiply
    22,320.05x = 33,488.80 × 9,831.29
  4. Step 4: Simplify right side
    22,320.05x = 329,238,163.70
  5. Step 5: Solve for x
    x = 329,238,163.70/22,320.05
  6. Step 6: Final answer
    x = 14,750.78

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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.