Home / 18,384.76-25,370.02-10,001.24

Finding the Fourth Proportional to 18,384.76, 25,370.02 and 10,001.24

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Solution

The fourth proportional to 18,384.76, 25,370.02 and 10,001.24 is: 13,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.76 : 25,370.02 = 10,001.24 : x
  2. Step 2: Convert to fraction form
    18,384.76/25,370.02 = 10,001.24/x
  3. Step 3: Cross multiply
    18,384.76x = 25,370.02 × 10,001.24
  4. Step 4: Simplify right side
    18,384.76x = 253,731,658.82
  5. Step 5: Solve for x
    x = 253,731,658.82/18,384.76
  6. Step 6: Final answer
    x = 13,801.20

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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.