Home / 13,944.29-19,243.52-7,657.07

Finding the Fourth Proportional to 13,944.29, 19,243.52 and 7,657.07

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Solution

The fourth proportional to 13,944.29, 19,243.52 and 7,657.07 is: 10,566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.29 : 19,243.52 = 7,657.07 : x
  2. Step 2: Convert to fraction form
    13,944.29/19,243.52 = 7,657.07/x
  3. Step 3: Cross multiply
    13,944.29x = 19,243.52 × 7,657.07
  4. Step 4: Simplify right side
    13,944.29x = 147,348,902.61
  5. Step 5: Solve for x
    x = 147,348,902.61/13,944.29
  6. Step 6: Final answer
    x = 10,566.97

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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.