Home / 20,280.05-27,971.03-17,452.18

Finding the Fourth Proportional to 20,280.05, 27,971.03 and 17,452.18

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Solution

The fourth proportional to 20,280.05, 27,971.03 and 17,452.18 is: 24,070.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,280.05 : 27,971.03 = 17,452.18 : x
  2. Step 2: Convert to fraction form
    20,280.05/27,971.03 = 17,452.18/x
  3. Step 3: Cross multiply
    20,280.05x = 27,971.03 × 17,452.18
  4. Step 4: Simplify right side
    20,280.05x = 488,155,424.05
  5. Step 5: Solve for x
    x = 488,155,424.05/20,280.05
  6. Step 6: Final answer
    x = 24,070.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.