Home / 15,207.59-20,986.27-8,837.79

Finding the Fourth Proportional to 15,207.59, 20,986.27 and 8,837.79

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Solution

The fourth proportional to 15,207.59, 20,986.27 and 8,837.79 is: 12,196.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,207.59 : 20,986.27 = 8,837.79 : x
  2. Step 2: Convert to fraction form
    15,207.59/20,986.27 = 8,837.79/x
  3. Step 3: Cross multiply
    15,207.59x = 20,986.27 × 8,837.79
  4. Step 4: Simplify right side
    15,207.59x = 185,472,142.21
  5. Step 5: Solve for x
    x = 185,472,142.21/15,207.59
  6. Step 6: Final answer
    x = 12,196.02

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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.