Home / 13,947.13-19,248.61-8,283.26

Finding the Fourth Proportional to 13,947.13, 19,248.61 and 8,283.26

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Solution

The fourth proportional to 13,947.13, 19,248.61 and 8,283.26 is: 11,431.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.13 : 19,248.61 = 8,283.26 : x
  2. Step 2: Convert to fraction form
    13,947.13/19,248.61 = 8,283.26/x
  3. Step 3: Cross multiply
    13,947.13x = 19,248.61 × 8,283.26
  4. Step 4: Simplify right side
    13,947.13x = 159,441,124.32
  5. Step 5: Solve for x
    x = 159,441,124.32/13,947.13
  6. Step 6: Final answer
    x = 11,431.83

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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.