Home / 18,613.08-25,685.40-10,229.52

Finding the Fourth Proportional to 18,613.08, 25,685.40 and 10,229.52

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Solution

The fourth proportional to 18,613.08, 25,685.40 and 10,229.52 is: 14,116.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,613.08 : 25,685.40 = 10,229.52 : x
  2. Step 2: Convert to fraction form
    18,613.08/25,685.40 = 10,229.52/x
  3. Step 3: Cross multiply
    18,613.08x = 25,685.40 × 10,229.52
  4. Step 4: Simplify right side
    18,613.08x = 262,749,313.01
  5. Step 5: Solve for x
    x = 262,749,313.01/18,613.08
  6. Step 6: Final answer
    x = 14,116.38

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Half scale
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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.