Home / 16,309.80-24,447.69-10,391.13

Finding the Fourth Proportional to 16,309.80, 24,447.69 and 10,391.13

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Solution

The fourth proportional to 16,309.80, 24,447.69 and 10,391.13 is: 15,575.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,309.80 : 24,447.69 = 10,391.13 : x
  2. Step 2: Convert to fraction form
    16,309.80/24,447.69 = 10,391.13/x
  3. Step 3: Cross multiply
    16,309.80x = 24,447.69 × 10,391.13
  4. Step 4: Simplify right side
    16,309.80x = 254,039,124.99
  5. Step 5: Solve for x
    x = 254,039,124.99/16,309.80
  6. Step 6: Final answer
    x = 15,575.86

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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.