Home / 22,015.91-30,381.95-12,584.68

Finding the Fourth Proportional to 22,015.91, 30,381.95 and 12,584.68

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Solution

The fourth proportional to 22,015.91, 30,381.95 and 12,584.68 is: 17,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.91 : 30,381.95 = 12,584.68 : x
  2. Step 2: Convert to fraction form
    22,015.91/30,381.95 = 12,584.68/x
  3. Step 3: Cross multiply
    22,015.91x = 30,381.95 × 12,584.68
  4. Step 4: Simplify right side
    22,015.91x = 382,346,966.62
  5. Step 5: Solve for x
    x = 382,346,966.62/22,015.91
  6. Step 6: Final answer
    x = 17,366.85

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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.