Home / 13,717.93-20,577.61-4,358.68

Finding the Fourth Proportional to 13,717.93, 20,577.61 and 4,358.68

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Solution

The fourth proportional to 13,717.93, 20,577.61 and 4,358.68 is: 6,538.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.93 : 20,577.61 = 4,358.68 : x
  2. Step 2: Convert to fraction form
    13,717.93/20,577.61 = 4,358.68/x
  3. Step 3: Cross multiply
    13,717.93x = 20,577.61 × 4,358.68
  4. Step 4: Simplify right side
    13,717.93x = 89,691,217.15
  5. Step 5: Solve for x
    x = 89,691,217.15/13,717.93
  6. Step 6: Final answer
    x = 6,538.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.