Home / 14,963.49-20,648.67-8,248.76

Finding the Fourth Proportional to 14,963.49, 20,648.67 and 8,248.76

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Solution

The fourth proportional to 14,963.49, 20,648.67 and 8,248.76 is: 11,382.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,963.49 : 20,648.67 = 8,248.76 : x
  2. Step 2: Convert to fraction form
    14,963.49/20,648.67 = 8,248.76/x
  3. Step 3: Cross multiply
    14,963.49x = 20,648.67 × 8,248.76
  4. Step 4: Simplify right side
    14,963.49x = 170,325,819.91
  5. Step 5: Solve for x
    x = 170,325,819.91/14,963.49
  6. Step 6: Final answer
    x = 11,382.76

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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.