Home / 31,774.68-47,662.02-10,998.18

Finding the Fourth Proportional to 31,774.68, 47,662.02 and 10,998.18

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Solution

The fourth proportional to 31,774.68, 47,662.02 and 10,998.18 is: 16,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,774.68 : 47,662.02 = 10,998.18 : x
  2. Step 2: Convert to fraction form
    31,774.68/47,662.02 = 10,998.18/x
  3. Step 3: Cross multiply
    31,774.68x = 47,662.02 × 10,998.18
  4. Step 4: Simplify right side
    31,774.68x = 524,195,475.12
  5. Step 5: Solve for x
    x = 524,195,475.12/31,774.68
  6. Step 6: Final answer
    x = 16,497.27

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.