Home / 14,295.20-19,734.30-9,517.95

Finding the Fourth Proportional to 14,295.20, 19,734.30 and 9,517.95

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Solution

The fourth proportional to 14,295.20, 19,734.30 and 9,517.95 is: 13,139.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295.20 : 19,734.30 = 9,517.95 : x
  2. Step 2: Convert to fraction form
    14,295.20/19,734.30 = 9,517.95/x
  3. Step 3: Cross multiply
    14,295.20x = 19,734.30 × 9,517.95
  4. Step 4: Simplify right side
    14,295.20x = 187,830,080.69
  5. Step 5: Solve for x
    x = 187,830,080.69/14,295.20
  6. Step 6: Final answer
    x = 13,139.39

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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.