Home / 15,239.27-21,031.01-8,524.50

Finding the Fourth Proportional to 15,239.27, 21,031.01 and 8,524.50

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Solution

The fourth proportional to 15,239.27, 21,031.01 and 8,524.50 is: 11,764.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239.27 : 21,031.01 = 8,524.50 : x
  2. Step 2: Convert to fraction form
    15,239.27/21,031.01 = 8,524.50/x
  3. Step 3: Cross multiply
    15,239.27x = 21,031.01 × 8,524.50
  4. Step 4: Simplify right side
    15,239.27x = 179,278,895.18
  5. Step 5: Solve for x
    x = 179,278,895.18/15,239.27
  6. Step 6: Final answer
    x = 11,764.27

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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.