Home / 20,074.76-30,073.26-9,693.80

Finding the Fourth Proportional to 20,074.76, 30,073.26 and 9,693.80

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Solution

The fourth proportional to 20,074.76, 30,073.26 and 9,693.80 is: 14,521.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.76 : 30,073.26 = 9,693.80 : x
  2. Step 2: Convert to fraction form
    20,074.76/30,073.26 = 9,693.80/x
  3. Step 3: Cross multiply
    20,074.76x = 30,073.26 × 9,693.80
  4. Step 4: Simplify right side
    20,074.76x = 291,524,167.79
  5. Step 5: Solve for x
    x = 291,524,167.79/20,074.76
  6. Step 6: Final answer
    x = 14,521.93

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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.