Home / 14,248.89-19,663.08-7,961.27

Finding the Fourth Proportional to 14,248.89, 19,663.08 and 7,961.27

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Solution

The fourth proportional to 14,248.89, 19,663.08 and 7,961.27 is: 10,986.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.89 : 19,663.08 = 7,961.27 : x
  2. Step 2: Convert to fraction form
    14,248.89/19,663.08 = 7,961.27/x
  3. Step 3: Cross multiply
    14,248.89x = 19,663.08 × 7,961.27
  4. Step 4: Simplify right side
    14,248.89x = 156,542,990.60
  5. Step 5: Solve for x
    x = 156,542,990.60/14,248.89
  6. Step 6: Final answer
    x = 10,986.33

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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.