Home / 15,260.01-21,057.35-8,545.11

Finding the Fourth Proportional to 15,260.01, 21,057.35 and 8,545.11

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Solution

The fourth proportional to 15,260.01, 21,057.35 and 8,545.11 is: 11,791.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,260.01 : 21,057.35 = 8,545.11 : x
  2. Step 2: Convert to fraction form
    15,260.01/21,057.35 = 8,545.11/x
  3. Step 3: Cross multiply
    15,260.01x = 21,057.35 × 8,545.11
  4. Step 4: Simplify right side
    15,260.01x = 179,937,329.33
  5. Step 5: Solve for x
    x = 179,937,329.33/15,260.01
  6. Step 6: Final answer
    x = 11,791.43

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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.