Home / 18,391.62-25,383.27-10,432.16

Finding the Fourth Proportional to 18,391.62, 25,383.27 and 10,432.16

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Solution

The fourth proportional to 18,391.62, 25,383.27 and 10,432.16 is: 14,397.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,391.62 : 25,383.27 = 10,432.16 : x
  2. Step 2: Convert to fraction form
    18,391.62/25,383.27 = 10,432.16/x
  3. Step 3: Cross multiply
    18,391.62x = 25,383.27 × 10,432.16
  4. Step 4: Simplify right side
    18,391.62x = 264,802,333.96
  5. Step 5: Solve for x
    x = 264,802,333.96/18,391.62
  6. Step 6: Final answer
    x = 14,397.99

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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.