Home / 22,981.92-31,716.96-13,552.32

Finding the Fourth Proportional to 22,981.92, 31,716.96 and 13,552.32

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Solution

The fourth proportional to 22,981.92, 31,716.96 and 13,552.32 is: 18,703.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,981.92 : 31,716.96 = 13,552.32 : x
  2. Step 2: Convert to fraction form
    22,981.92/31,716.96 = 13,552.32/x
  3. Step 3: Cross multiply
    22,981.92x = 31,716.96 × 13,552.32
  4. Step 4: Simplify right side
    22,981.92x = 429,838,391.35
  5. Step 5: Solve for x
    x = 429,838,391.35/22,981.92
  6. Step 6: Final answer
    x = 18,703.33

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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.