Home / 14,862.26-20,508.72-8,147.76

Finding the Fourth Proportional to 14,862.26, 20,508.72 and 8,147.76

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Solution

The fourth proportional to 14,862.26, 20,508.72 and 8,147.76 is: 11,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.26 : 20,508.72 = 8,147.76 : x
  2. Step 2: Convert to fraction form
    14,862.26/20,508.72 = 8,147.76/x
  3. Step 3: Cross multiply
    14,862.26x = 20,508.72 × 8,147.76
  4. Step 4: Simplify right side
    14,862.26x = 167,100,128.47
  5. Step 5: Solve for x
    x = 167,100,128.47/14,862.26
  6. Step 6: Final answer
    x = 11,243.25

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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.