Home / 18,530.76-25,572.58-10,147.26

Finding the Fourth Proportional to 18,530.76, 25,572.58 and 10,147.26

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Solution

The fourth proportional to 18,530.76, 25,572.58 and 10,147.26 is: 14,003.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530.76 : 25,572.58 = 10,147.26 : x
  2. Step 2: Convert to fraction form
    18,530.76/25,572.58 = 10,147.26/x
  3. Step 3: Cross multiply
    18,530.76x = 25,572.58 × 10,147.26
  4. Step 4: Simplify right side
    18,530.76x = 259,491,618.13
  5. Step 5: Solve for x
    x = 259,491,618.13/18,530.76
  6. Step 6: Final answer
    x = 14,003.29

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Half scale
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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.