Home / 15,723.15-23,608.08-6,381.47

Finding the Fourth Proportional to 15,723.15, 23,608.08 and 6,381.47

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Solution

The fourth proportional to 15,723.15, 23,608.08 and 6,381.47 is: 9,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,723.15 : 23,608.08 = 6,381.47 : x
  2. Step 2: Convert to fraction form
    15,723.15/23,608.08 = 6,381.47/x
  3. Step 3: Cross multiply
    15,723.15x = 23,608.08 × 6,381.47
  4. Step 4: Simplify right side
    15,723.15x = 150,654,313.30
  5. Step 5: Solve for x
    x = 150,654,313.30/15,723.15
  6. Step 6: Final answer
    x = 9,581.69

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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.