Home / 13,951.13-19,252.55-7,663.50

Finding the Fourth Proportional to 13,951.13, 19,252.55 and 7,663.50

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Solution

The fourth proportional to 13,951.13, 19,252.55 and 7,663.50 is: 10,575.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.13 : 19,252.55 = 7,663.50 : x
  2. Step 2: Convert to fraction form
    13,951.13/19,252.55 = 7,663.50/x
  3. Step 3: Cross multiply
    13,951.13x = 19,252.55 × 7,663.50
  4. Step 4: Simplify right side
    13,951.13x = 147,541,936.08
  5. Step 5: Solve for x
    x = 147,541,936.08/13,951.13
  6. Step 6: Final answer
    x = 10,575.63

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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.