Home / 15,250.24-21,044.16-8,535.36

Finding the Fourth Proportional to 15,250.24, 21,044.16 and 8,535.36

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Solution

The fourth proportional to 15,250.24, 21,044.16 and 8,535.36 is: 11,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,250.24 : 21,044.16 = 8,535.36 : x
  2. Step 2: Convert to fraction form
    15,250.24/21,044.16 = 8,535.36/x
  3. Step 3: Cross multiply
    15,250.24x = 21,044.16 × 8,535.36
  4. Step 4: Simplify right side
    15,250.24x = 179,619,481.50
  5. Step 5: Solve for x
    x = 179,619,481.50/15,250.24
  6. Step 6: Final answer
    x = 11,778.14

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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.