Home / 14,743.68-20,351.52-13,169.04

Finding the Fourth Proportional to 14,743.68, 20,351.52 and 13,169.04

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Solution

The fourth proportional to 14,743.68, 20,351.52 and 13,169.04 is: 18,177.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.68 : 20,351.52 = 13,169.04 : x
  2. Step 2: Convert to fraction form
    14,743.68/20,351.52 = 13,169.04/x
  3. Step 3: Cross multiply
    14,743.68x = 20,351.52 × 13,169.04
  4. Step 4: Simplify right side
    14,743.68x = 268,009,980.94
  5. Step 5: Solve for x
    x = 268,009,980.94/14,743.68
  6. Step 6: Final answer
    x = 18,177.96

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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.