Home / 20,726.46-31,095.84-10,864.44

Finding the Fourth Proportional to 20,726.46, 31,095.84 and 10,864.44

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Solution

The fourth proportional to 20,726.46, 31,095.84 and 10,864.44 is: 16,299.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726.46 : 31,095.84 = 10,864.44 : x
  2. Step 2: Convert to fraction form
    20,726.46/31,095.84 = 10,864.44/x
  3. Step 3: Cross multiply
    20,726.46x = 31,095.84 × 10,864.44
  4. Step 4: Simplify right side
    20,726.46x = 337,838,887.93
  5. Step 5: Solve for x
    x = 337,838,887.93/20,726.46
  6. Step 6: Final answer
    x = 16,299.88

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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.