Home / 18,560.86-25,617.53-14,519.63

Finding the Fourth Proportional to 18,560.86, 25,617.53 and 14,519.63

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Solution

The fourth proportional to 18,560.86, 25,617.53 and 14,519.63 is: 20,039.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,560.86 : 25,617.53 = 14,519.63 : x
  2. Step 2: Convert to fraction form
    18,560.86/25,617.53 = 14,519.63/x
  3. Step 3: Cross multiply
    18,560.86x = 25,617.53 × 14,519.63
  4. Step 4: Simplify right side
    18,560.86x = 371,957,157.46
  5. Step 5: Solve for x
    x = 371,957,157.46/18,560.86
  6. Step 6: Final answer
    x = 20,039.87

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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.