Home / 22,600.24-31,200.74-15,440.92

Finding the Fourth Proportional to 22,600.24, 31,200.74 and 15,440.92

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Solution

The fourth proportional to 22,600.24, 31,200.74 and 15,440.92 is: 21,316.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,600.24 : 31,200.74 = 15,440.92 : x
  2. Step 2: Convert to fraction form
    22,600.24/31,200.74 = 15,440.92/x
  3. Step 3: Cross multiply
    22,600.24x = 31,200.74 × 15,440.92
  4. Step 4: Simplify right side
    22,600.24x = 481,767,897.07
  5. Step 5: Solve for x
    x = 481,767,897.07/22,600.24
  6. Step 6: Final answer
    x = 21,316.94

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Half scale
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Double scale
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Similar ratio
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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.