Home / 18,517.53-25,554.01-10,019.46

Finding the Fourth Proportional to 18,517.53, 25,554.01 and 10,019.46

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Solution

The fourth proportional to 18,517.53, 25,554.01 and 10,019.46 is: 13,826.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.53 : 25,554.01 = 10,019.46 : x
  2. Step 2: Convert to fraction form
    18,517.53/25,554.01 = 10,019.46/x
  3. Step 3: Cross multiply
    18,517.53x = 25,554.01 × 10,019.46
  4. Step 4: Simplify right side
    18,517.53x = 256,037,330.94
  5. Step 5: Solve for x
    x = 256,037,330.94/18,517.53
  6. Step 6: Final answer
    x = 13,826.76

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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.