Home / 15,027.89-22,543.34-5,165.87

Finding the Fourth Proportional to 15,027.89, 22,543.34 and 5,165.87

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Solution

The fourth proportional to 15,027.89, 22,543.34 and 5,165.87 is: 7,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027.89 : 22,543.34 = 5,165.87 : x
  2. Step 2: Convert to fraction form
    15,027.89/22,543.34 = 5,165.87/x
  3. Step 3: Cross multiply
    15,027.89x = 22,543.34 × 5,165.87
  4. Step 4: Simplify right side
    15,027.89x = 116,455,825.26
  5. Step 5: Solve for x
    x = 116,455,825.26/15,027.89
  6. Step 6: Final answer
    x = 7,749.32

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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.