Home / 20,346.24-28,085.18-16,562.84

Finding the Fourth Proportional to 20,346.24, 28,085.18 and 16,562.84

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Solution

The fourth proportional to 20,346.24, 28,085.18 and 16,562.84 is: 22,862.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346.24 : 28,085.18 = 16,562.84 : x
  2. Step 2: Convert to fraction form
    20,346.24/28,085.18 = 16,562.84/x
  3. Step 3: Cross multiply
    20,346.24x = 28,085.18 × 16,562.84
  4. Step 4: Simplify right side
    20,346.24x = 465,170,119.47
  5. Step 5: Solve for x
    x = 465,170,119.47/20,346.24
  6. Step 6: Final answer
    x = 22,862.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.