Home / 23,154.38-31,960.32-14,770.88

Finding the Fourth Proportional to 23,154.38, 31,960.32 and 14,770.88

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Solution

The fourth proportional to 23,154.38, 31,960.32 and 14,770.88 is: 20,388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,154.38 : 31,960.32 = 14,770.88 : x
  2. Step 2: Convert to fraction form
    23,154.38/31,960.32 = 14,770.88/x
  3. Step 3: Cross multiply
    23,154.38x = 31,960.32 × 14,770.88
  4. Step 4: Simplify right side
    23,154.38x = 472,082,051.48
  5. Step 5: Solve for x
    x = 472,082,051.48/23,154.38
  6. Step 6: Final answer
    x = 20,388.46

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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.