Home / 15,697.14-23,543.12-5,167.31

Finding the Fourth Proportional to 15,697.14, 23,543.12 and 5,167.31

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Solution

The fourth proportional to 15,697.14, 23,543.12 and 5,167.31 is: 7,750.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,697.14 : 23,543.12 = 5,167.31 : x
  2. Step 2: Convert to fraction form
    15,697.14/23,543.12 = 5,167.31/x
  3. Step 3: Cross multiply
    15,697.14x = 23,543.12 × 5,167.31
  4. Step 4: Simplify right side
    15,697.14x = 121,654,455.86
  5. Step 5: Solve for x
    x = 121,654,455.86/15,697.14
  6. Step 6: Final answer
    x = 7,750.10

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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.