Home / 20,216.77-27,898.26-11,265.25

Finding the Fourth Proportional to 20,216.77, 27,898.26 and 11,265.25

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Solution

The fourth proportional to 20,216.77, 27,898.26 and 11,265.25 is: 15,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216.77 : 27,898.26 = 11,265.25 : x
  2. Step 2: Convert to fraction form
    20,216.77/27,898.26 = 11,265.25/x
  3. Step 3: Cross multiply
    20,216.77x = 27,898.26 × 11,265.25
  4. Step 4: Simplify right side
    20,216.77x = 314,280,873.47
  5. Step 5: Solve for x
    x = 314,280,873.47/20,216.77
  6. Step 6: Final answer
    x = 15,545.55

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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.