Home / 13,727.88-18,947.52-10,366.38

Finding the Fourth Proportional to 13,727.88, 18,947.52 and 10,366.38

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Solution

The fourth proportional to 13,727.88, 18,947.52 and 10,366.38 is: 14,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.88 : 18,947.52 = 10,366.38 : x
  2. Step 2: Convert to fraction form
    13,727.88/18,947.52 = 10,366.38/x
  3. Step 3: Cross multiply
    13,727.88x = 18,947.52 × 10,366.38
  4. Step 4: Simplify right side
    13,727.88x = 196,417,192.38
  5. Step 5: Solve for x
    x = 196,417,192.38/13,727.88
  6. Step 6: Final answer
    x = 14,307.90

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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.