Home / 31,712.76-47,570.10-9,526.20

Finding the Fourth Proportional to 31,712.76, 47,570.10 and 9,526.20

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Solution

The fourth proportional to 31,712.76, 47,570.10 and 9,526.20 is: 14,289.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,712.76 : 47,570.10 = 9,526.20 : x
  2. Step 2: Convert to fraction form
    31,712.76/47,570.10 = 9,526.20/x
  3. Step 3: Cross multiply
    31,712.76x = 47,570.10 × 9,526.20
  4. Step 4: Simplify right side
    31,712.76x = 453,162,286.62
  5. Step 5: Solve for x
    x = 453,162,286.62/31,712.76
  6. Step 6: Final answer
    x = 14,289.59

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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.