Home / 14,168.87-19,553.15-8,866.70

Finding the Fourth Proportional to 14,168.87, 19,553.15 and 8,866.70

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Solution

The fourth proportional to 14,168.87, 19,553.15 and 8,866.70 is: 12,236.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.87 : 19,553.15 = 8,866.70 : x
  2. Step 2: Convert to fraction form
    14,168.87/19,553.15 = 8,866.70/x
  3. Step 3: Cross multiply
    14,168.87x = 19,553.15 × 8,866.70
  4. Step 4: Simplify right side
    14,168.87x = 173,371,915.11
  5. Step 5: Solve for x
    x = 173,371,915.11/14,168.87
  6. Step 6: Final answer
    x = 12,236.11

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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.