Home / 22,601.74-31,202.81-15,442.42

Finding the Fourth Proportional to 22,601.74, 31,202.81 and 15,442.42

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Solution

The fourth proportional to 22,601.74, 31,202.81 and 15,442.42 is: 21,319.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,601.74 : 31,202.81 = 15,442.42 : x
  2. Step 2: Convert to fraction form
    22,601.74/31,202.81 = 15,442.42/x
  3. Step 3: Cross multiply
    22,601.74x = 31,202.81 × 15,442.42
  4. Step 4: Simplify right side
    22,601.74x = 481,846,897.20
  5. Step 5: Solve for x
    x = 481,846,897.20/22,601.74
  6. Step 6: Final answer
    x = 21,319.02

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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.