Home / 15,236.51-21,025.91-8,522.69

Finding the Fourth Proportional to 15,236.51, 21,025.91 and 8,522.69

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Solution

The fourth proportional to 15,236.51, 21,025.91 and 8,522.69 is: 11,761.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,236.51 : 21,025.91 = 8,522.69 : x
  2. Step 2: Convert to fraction form
    15,236.51/21,025.91 = 8,522.69/x
  3. Step 3: Cross multiply
    15,236.51x = 21,025.91 × 8,522.69
  4. Step 4: Simplify right side
    15,236.51x = 179,197,229.08
  5. Step 5: Solve for x
    x = 179,197,229.08/15,236.51
  6. Step 6: Final answer
    x = 11,761.05

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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.