Home / 13,947.42-20,900.61-10,232.49

Finding the Fourth Proportional to 13,947.42, 20,900.61 and 10,232.49

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Solution

The fourth proportional to 13,947.42, 20,900.61 and 10,232.49 is: 15,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.42 : 20,900.61 = 10,232.49 : x
  2. Step 2: Convert to fraction form
    13,947.42/20,900.61 = 10,232.49/x
  3. Step 3: Cross multiply
    13,947.42x = 20,900.61 × 10,232.49
  4. Step 4: Simplify right side
    13,947.42x = 213,865,282.82
  5. Step 5: Solve for x
    x = 213,865,282.82/13,947.42
  6. Step 6: Final answer
    x = 15,333.68

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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.