Home / 14,229.60-19,636.82-7,941.98

Finding the Fourth Proportional to 14,229.60, 19,636.82 and 7,941.98

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Solution

The fourth proportional to 14,229.60, 19,636.82 and 7,941.98 is: 10,959.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.60 : 19,636.82 = 7,941.98 : x
  2. Step 2: Convert to fraction form
    14,229.60/19,636.82 = 7,941.98/x
  3. Step 3: Cross multiply
    14,229.60x = 19,636.82 × 7,941.98
  4. Step 4: Simplify right side
    14,229.60x = 155,955,231.70
  5. Step 5: Solve for x
    x = 155,955,231.70/14,229.60
  6. Step 6: Final answer
    x = 10,959.92

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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.