Home / 15,552.80-21,445.91-10,508.26

Finding the Fourth Proportional to 15,552.80, 21,445.91 and 10,508.26

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Solution

The fourth proportional to 15,552.80, 21,445.91 and 10,508.26 is: 14,489.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552.80 : 21,445.91 = 10,508.26 : x
  2. Step 2: Convert to fraction form
    15,552.80/21,445.91 = 10,508.26/x
  3. Step 3: Cross multiply
    15,552.80x = 21,445.91 × 10,508.26
  4. Step 4: Simplify right side
    15,552.80x = 225,359,198.22
  5. Step 5: Solve for x
    x = 225,359,198.22/15,552.80
  6. Step 6: Final answer
    x = 14,489.94

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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.