Home / 20,385.92-30,529.62-11,594.18

Finding the Fourth Proportional to 20,385.92, 30,529.62 and 11,594.18

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Solution

The fourth proportional to 20,385.92, 30,529.62 and 11,594.18 is: 17,363.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,385.92 : 30,529.62 = 11,594.18 : x
  2. Step 2: Convert to fraction form
    20,385.92/30,529.62 = 11,594.18/x
  3. Step 3: Cross multiply
    20,385.92x = 30,529.62 × 11,594.18
  4. Step 4: Simplify right side
    20,385.92x = 353,965,909.61
  5. Step 5: Solve for x
    x = 353,965,909.61/20,385.92
  6. Step 6: Final answer
    x = 17,363.25

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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.