Home / 13,963.28-19,269.30-7,675.76

Finding the Fourth Proportional to 13,963.28, 19,269.30 and 7,675.76

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Solution

The fourth proportional to 13,963.28, 19,269.30 and 7,675.76 is: 10,592.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.28 : 19,269.30 = 7,675.76 : x
  2. Step 2: Convert to fraction form
    13,963.28/19,269.30 = 7,675.76/x
  3. Step 3: Cross multiply
    13,963.28x = 19,269.30 × 7,675.76
  4. Step 4: Simplify right side
    13,963.28x = 147,906,522.17
  5. Step 5: Solve for x
    x = 147,906,522.17/13,963.28
  6. Step 6: Final answer
    x = 10,592.53

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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.