Home / 14,951.28-20,633.18-8,578.41

Finding the Fourth Proportional to 14,951.28, 20,633.18 and 8,578.41

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Solution

The fourth proportional to 14,951.28, 20,633.18 and 8,578.41 is: 11,838.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951.28 : 20,633.18 = 8,578.41 : x
  2. Step 2: Convert to fraction form
    14,951.28/20,633.18 = 8,578.41/x
  3. Step 3: Cross multiply
    14,951.28x = 20,633.18 × 8,578.41
  4. Step 4: Simplify right side
    14,951.28x = 176,999,805.63
  5. Step 5: Solve for x
    x = 176,999,805.63/14,951.28
  6. Step 6: Final answer
    x = 11,838.44

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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.