Home / 15,575.88-21,494.67-8,502.29

Finding the Fourth Proportional to 15,575.88, 21,494.67 and 8,502.29

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Solution

The fourth proportional to 15,575.88, 21,494.67 and 8,502.29 is: 11,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,575.88 : 21,494.67 = 8,502.29 : x
  2. Step 2: Convert to fraction form
    15,575.88/21,494.67 = 8,502.29/x
  3. Step 3: Cross multiply
    15,575.88x = 21,494.67 × 8,502.29
  4. Step 4: Simplify right side
    15,575.88x = 182,753,810.32
  5. Step 5: Solve for x
    x = 182,753,810.32/15,575.88
  6. Step 6: Final answer
    x = 11,733.13

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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.