Home / 18,384.75-25,371.36-10,001.25

Finding the Fourth Proportional to 18,384.75, 25,371.36 and 10,001.25

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Solution

The fourth proportional to 18,384.75, 25,371.36 and 10,001.25 is: 13,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.75 : 25,371.36 = 10,001.25 : x
  2. Step 2: Convert to fraction form
    18,384.75/25,371.36 = 10,001.25/x
  3. Step 3: Cross multiply
    18,384.75x = 25,371.36 × 10,001.25
  4. Step 4: Simplify right side
    18,384.75x = 253,745,314.20
  5. Step 5: Solve for x
    x = 253,745,314.20/18,384.75
  6. Step 6: Final answer
    x = 13,801.95

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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.