Home / 22,529.00-31,088.68-12,456.65

Finding the Fourth Proportional to 22,529.00, 31,088.68 and 12,456.65

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Solution

The fourth proportional to 22,529.00, 31,088.68 and 12,456.65 is: 17,189.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,529.00 : 31,088.68 = 12,456.65 : x
  2. Step 2: Convert to fraction form
    22,529.00/31,088.68 = 12,456.65/x
  3. Step 3: Cross multiply
    22,529.00x = 31,088.68 × 12,456.65
  4. Step 4: Simplify right side
    22,529.00x = 387,260,619.14
  5. Step 5: Solve for x
    x = 387,260,619.14/22,529.00
  6. Step 6: Final answer
    x = 17,189.43

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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.