Home / 15,102.60-22,667.74-8,090.53

Finding the Fourth Proportional to 15,102.60, 22,667.74 and 8,090.53

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Solution

The fourth proportional to 15,102.60, 22,667.74 and 8,090.53 is: 12,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,102.60 : 22,667.74 = 8,090.53 : x
  2. Step 2: Convert to fraction form
    15,102.60/22,667.74 = 8,090.53/x
  3. Step 3: Cross multiply
    15,102.60x = 22,667.74 × 8,090.53
  4. Step 4: Simplify right side
    15,102.60x = 183,394,120.93
  5. Step 5: Solve for x
    x = 183,394,120.93/15,102.60
  6. Step 6: Final answer
    x = 12,143.21

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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.