Home / 18,947.92-26,150.60-13,660.24

Finding the Fourth Proportional to 18,947.92, 26,150.60 and 13,660.24

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Solution

The fourth proportional to 18,947.92, 26,150.60 and 13,660.24 is: 18,852.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.92 : 26,150.60 = 13,660.24 : x
  2. Step 2: Convert to fraction form
    18,947.92/26,150.60 = 13,660.24/x
  3. Step 3: Cross multiply
    18,947.92x = 26,150.60 × 13,660.24
  4. Step 4: Simplify right side
    18,947.92x = 357,223,472.14
  5. Step 5: Solve for x
    x = 357,223,472.14/18,947.92
  6. Step 6: Final answer
    x = 18,852.91

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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.