Home / 22,463.78-30,999.54-12,393.14

Finding the Fourth Proportional to 22,463.78, 30,999.54 and 12,393.14

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Solution

The fourth proportional to 22,463.78, 30,999.54 and 12,393.14 is: 17,102.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,463.78 : 30,999.54 = 12,393.14 : x
  2. Step 2: Convert to fraction form
    22,463.78/30,999.54 = 12,393.14/x
  3. Step 3: Cross multiply
    22,463.78x = 30,999.54 × 12,393.14
  4. Step 4: Simplify right side
    22,463.78x = 384,181,639.16
  5. Step 5: Solve for x
    x = 384,181,639.16/22,463.78
  6. Step 6: Final answer
    x = 17,102.27

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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.