Home / 14,711.47-20,301.74-8,339.27

Finding the Fourth Proportional to 14,711.47, 20,301.74 and 8,339.27

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Solution

The fourth proportional to 14,711.47, 20,301.74 and 8,339.27 is: 11,508.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,711.47 : 20,301.74 = 8,339.27 : x
  2. Step 2: Convert to fraction form
    14,711.47/20,301.74 = 8,339.27/x
  3. Step 3: Cross multiply
    14,711.47x = 20,301.74 × 8,339.27
  4. Step 4: Simplify right side
    14,711.47x = 169,301,610.67
  5. Step 5: Solve for x
    x = 169,301,610.67/14,711.47
  6. Step 6: Final answer
    x = 11,508.14

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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.