Home / 14,726.30-20,318.84-8,351.50

Finding the Fourth Proportional to 14,726.30, 20,318.84 and 8,351.50

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Solution

The fourth proportional to 14,726.30, 20,318.84 and 8,351.50 is: 11,523.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,726.30 : 20,318.84 = 8,351.50 : x
  2. Step 2: Convert to fraction form
    14,726.30/20,318.84 = 8,351.50/x
  3. Step 3: Cross multiply
    14,726.30x = 20,318.84 × 8,351.50
  4. Step 4: Simplify right side
    14,726.30x = 169,692,648.91
  5. Step 5: Solve for x
    x = 169,692,648.91/14,726.30
  6. Step 6: Final answer
    x = 11,523.11

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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.