Home / 15,757.26-21,744.74-8,587.24

Finding the Fourth Proportional to 15,757.26, 21,744.74 and 8,587.24

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Solution

The fourth proportional to 15,757.26, 21,744.74 and 8,587.24 is: 11,850.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,757.26 : 21,744.74 = 8,587.24 : x
  2. Step 2: Convert to fraction form
    15,757.26/21,744.74 = 8,587.24/x
  3. Step 3: Cross multiply
    15,757.26x = 21,744.74 × 8,587.24
  4. Step 4: Simplify right side
    15,757.26x = 186,727,349.77
  5. Step 5: Solve for x
    x = 186,727,349.77/15,757.26
  6. Step 6: Final answer
    x = 11,850.24

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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.