Home / 13,516.16-20,260.68-5,607.92

Finding the Fourth Proportional to 13,516.16, 20,260.68 and 5,607.92

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Solution

The fourth proportional to 13,516.16, 20,260.68 and 5,607.92 is: 8,406.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.16 : 20,260.68 = 5,607.92 : x
  2. Step 2: Convert to fraction form
    13,516.16/20,260.68 = 5,607.92/x
  3. Step 3: Cross multiply
    13,516.16x = 20,260.68 × 5,607.92
  4. Step 4: Simplify right side
    13,516.16x = 113,620,272.59
  5. Step 5: Solve for x
    x = 113,620,272.59/13,516.16
  6. Step 6: Final answer
    x = 8,406.25

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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.