Home / 19,947.16-29,914.15-6,617.09

Finding the Fourth Proportional to 19,947.16, 29,914.15 and 6,617.09

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Solution

The fourth proportional to 19,947.16, 29,914.15 and 6,617.09 is: 9,923.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.16 : 29,914.15 = 6,617.09 : x
  2. Step 2: Convert to fraction form
    19,947.16/29,914.15 = 6,617.09/x
  3. Step 3: Cross multiply
    19,947.16x = 29,914.15 × 6,617.09
  4. Step 4: Simplify right side
    19,947.16x = 197,944,440.17
  5. Step 5: Solve for x
    x = 197,944,440.17/19,947.16
  6. Step 6: Final answer
    x = 9,923.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.