Home / 15,236.06-21,024.30-8,521.52

Finding the Fourth Proportional to 15,236.06, 21,024.30 and 8,521.52

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Solution

The fourth proportional to 15,236.06, 21,024.30 and 8,521.52 is: 11,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,236.06 : 21,024.30 = 8,521.52 : x
  2. Step 2: Convert to fraction form
    15,236.06/21,024.30 = 8,521.52/x
  3. Step 3: Cross multiply
    15,236.06x = 21,024.30 × 8,521.52
  4. Step 4: Simplify right side
    15,236.06x = 179,158,919.77
  5. Step 5: Solve for x
    x = 179,158,919.77/15,236.06
  6. Step 6: Final answer
    x = 11,758.88

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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.