Home / 13,947.67-19,247.92-7,660.04

Finding the Fourth Proportional to 13,947.67, 19,247.92 and 7,660.04

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Solution

The fourth proportional to 13,947.67, 19,247.92 and 7,660.04 is: 10,570.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.67 : 19,247.92 = 7,660.04 : x
  2. Step 2: Convert to fraction form
    13,947.67/19,247.92 = 7,660.04/x
  3. Step 3: Cross multiply
    13,947.67x = 19,247.92 × 7,660.04
  4. Step 4: Simplify right side
    13,947.67x = 147,439,866.09
  5. Step 5: Solve for x
    x = 147,439,866.09/13,947.67
  6. Step 6: Final answer
    x = 10,570.93

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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.