Home / 13,947.52-19,248.52-7,659.96

Finding the Fourth Proportional to 13,947.52, 19,248.52 and 7,659.96

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Solution

The fourth proportional to 13,947.52, 19,248.52 and 7,659.96 is: 10,571.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.52 : 19,248.52 = 7,659.96 : x
  2. Step 2: Convert to fraction form
    13,947.52/19,248.52 = 7,659.96/x
  3. Step 3: Cross multiply
    13,947.52x = 19,248.52 × 7,659.96
  4. Step 4: Simplify right side
    13,947.52x = 147,442,893.26
  5. Step 5: Solve for x
    x = 147,442,893.26/13,947.52
  6. Step 6: Final answer
    x = 10,571.26

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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.