Home / 15,697.21-23,543.20-5,167.35

Finding the Fourth Proportional to 15,697.21, 23,543.20 and 5,167.35

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Solution

The fourth proportional to 15,697.21, 23,543.20 and 5,167.35 is: 7,750.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,697.21 : 23,543.20 = 5,167.35 : x
  2. Step 2: Convert to fraction form
    15,697.21/23,543.20 = 5,167.35/x
  3. Step 3: Cross multiply
    15,697.21x = 23,543.20 × 5,167.35
  4. Step 4: Simplify right side
    15,697.21x = 121,655,954.52
  5. Step 5: Solve for x
    x = 121,655,954.52/15,697.21
  6. Step 6: Final answer
    x = 7,750.16

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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.