Home / 15,169.11-22,835.55-13,643.27

Finding the Fourth Proportional to 15,169.11, 22,835.55 and 13,643.27

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Solution

The fourth proportional to 15,169.11, 22,835.55 and 13,643.27 is: 20,538.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,169.11 : 22,835.55 = 13,643.27 : x
  2. Step 2: Convert to fraction form
    15,169.11/22,835.55 = 13,643.27/x
  3. Step 3: Cross multiply
    15,169.11x = 22,835.55 × 13,643.27
  4. Step 4: Simplify right side
    15,169.11x = 311,551,596.87
  5. Step 5: Solve for x
    x = 311,551,596.87/15,169.11
  6. Step 6: Final answer
    x = 20,538.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.