Home / 15,553.17-21,446.76-10,238.76

Finding the Fourth Proportional to 15,553.17, 21,446.76 and 10,238.76

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Solution

The fourth proportional to 15,553.17, 21,446.76 and 10,238.76 is: 14,118.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.17 : 21,446.76 = 10,238.76 : x
  2. Step 2: Convert to fraction form
    15,553.17/21,446.76 = 10,238.76/x
  3. Step 3: Cross multiply
    15,553.17x = 21,446.76 × 10,238.76
  4. Step 4: Simplify right side
    15,553.17x = 219,588,228.42
  5. Step 5: Solve for x
    x = 219,588,228.42/15,553.17
  6. Step 6: Final answer
    x = 14,118.55

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Half scale
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Double scale
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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.