Home / 15,236.66-21,027.66-8,522.91

Finding the Fourth Proportional to 15,236.66, 21,027.66 and 8,522.91

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Solution

The fourth proportional to 15,236.66, 21,027.66 and 8,522.91 is: 11,762.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,236.66 : 21,027.66 = 8,522.91 : x
  2. Step 2: Convert to fraction form
    15,236.66/21,027.66 = 8,522.91/x
  3. Step 3: Cross multiply
    15,236.66x = 21,027.66 × 8,522.91
  4. Step 4: Simplify right side
    15,236.66x = 179,216,853.69
  5. Step 5: Solve for x
    x = 179,216,853.69/15,236.66
  6. Step 6: Final answer
    x = 11,762.22

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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.