Home / 13,400.29-20,095.71-5,500.51

Finding the Fourth Proportional to 13,400.29, 20,095.71 and 5,500.51

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Solution

The fourth proportional to 13,400.29, 20,095.71 and 5,500.51 is: 8,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.29 : 20,095.71 = 5,500.51 : x
  2. Step 2: Convert to fraction form
    13,400.29/20,095.71 = 5,500.51/x
  3. Step 3: Cross multiply
    13,400.29x = 20,095.71 × 5,500.51
  4. Step 4: Simplify right side
    13,400.29x = 110,536,613.89
  5. Step 5: Solve for x
    x = 110,536,613.89/13,400.29
  6. Step 6: Final answer
    x = 8,248.83

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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.