Home / 20,713.24-31,060.28-6,670.66

Finding the Fourth Proportional to 20,713.24, 31,060.28 and 6,670.66

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Solution

The fourth proportional to 20,713.24, 31,060.28 and 6,670.66 is: 10,002.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,713.24 : 31,060.28 = 6,670.66 : x
  2. Step 2: Convert to fraction form
    20,713.24/31,060.28 = 6,670.66/x
  3. Step 3: Cross multiply
    20,713.24x = 31,060.28 × 6,670.66
  4. Step 4: Simplify right side
    20,713.24x = 207,192,567.38
  5. Step 5: Solve for x
    x = 207,192,567.38/20,713.24
  6. Step 6: Final answer
    x = 10,002.90

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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.