Home / 15,817.20-23,727.90-5,820.59

Finding the Fourth Proportional to 15,817.20, 23,727.90 and 5,820.59

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Solution

The fourth proportional to 15,817.20, 23,727.90 and 5,820.59 is: 8,731.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,817.20 : 23,727.90 = 5,820.59 : x
  2. Step 2: Convert to fraction form
    15,817.20/23,727.90 = 5,820.59/x
  3. Step 3: Cross multiply
    15,817.20x = 23,727.90 × 5,820.59
  4. Step 4: Simplify right side
    15,817.20x = 138,110,244.27
  5. Step 5: Solve for x
    x = 138,110,244.27/15,817.20
  6. Step 6: Final answer
    x = 8,731.65

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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.