Home / 14,053.20-19,394.70-7,766.82

Finding the Fourth Proportional to 14,053.20, 19,394.70 and 7,766.82

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Solution

The fourth proportional to 14,053.20, 19,394.70 and 7,766.82 is: 10,718.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.20 : 19,394.70 = 7,766.82 : x
  2. Step 2: Convert to fraction form
    14,053.20/19,394.70 = 7,766.82/x
  3. Step 3: Cross multiply
    14,053.20x = 19,394.70 × 7,766.82
  4. Step 4: Simplify right side
    14,053.20x = 150,635,143.85
  5. Step 5: Solve for x
    x = 150,635,143.85/14,053.20
  6. Step 6: Final answer
    x = 10,718.92

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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.