Home / 31,685.45-47,528.17-9,498.33

Finding the Fourth Proportional to 31,685.45, 47,528.17 and 9,498.33

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Solution

The fourth proportional to 31,685.45, 47,528.17 and 9,498.33 is: 14,247.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,685.45 : 47,528.17 = 9,498.33 : x
  2. Step 2: Convert to fraction form
    31,685.45/47,528.17 = 9,498.33/x
  3. Step 3: Cross multiply
    31,685.45x = 47,528.17 × 9,498.33
  4. Step 4: Simplify right side
    31,685.45x = 451,438,219.21
  5. Step 5: Solve for x
    x = 451,438,219.21/31,685.45
  6. Step 6: Final answer
    x = 14,247.50

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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.