Home / 14,990.32-22,480.62-7,091.61

Finding the Fourth Proportional to 14,990.32, 22,480.62 and 7,091.61

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Solution

The fourth proportional to 14,990.32, 22,480.62 and 7,091.61 is: 10,635.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990.32 : 22,480.62 = 7,091.61 : x
  2. Step 2: Convert to fraction form
    14,990.32/22,480.62 = 7,091.61/x
  3. Step 3: Cross multiply
    14,990.32x = 22,480.62 × 7,091.61
  4. Step 4: Simplify right side
    14,990.32x = 159,423,789.60
  5. Step 5: Solve for x
    x = 159,423,789.60/14,990.32
  6. Step 6: Final answer
    x = 10,635.12

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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.