Home / 22,609.14-31,208.69-15,433.92

Finding the Fourth Proportional to 22,609.14, 31,208.69 and 15,433.92

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Solution

The fourth proportional to 22,609.14, 31,208.69 and 15,433.92 is: 21,304.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,609.14 : 31,208.69 = 15,433.92 : x
  2. Step 2: Convert to fraction form
    22,609.14/31,208.69 = 15,433.92/x
  3. Step 3: Cross multiply
    22,609.14x = 31,208.69 × 15,433.92
  4. Step 4: Simplify right side
    22,609.14x = 481,672,424.76
  5. Step 5: Solve for x
    x = 481,672,424.76/22,609.14
  6. Step 6: Final answer
    x = 21,304.32

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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.