Home / 19,801.92-29,705.61-6,655.31

Finding the Fourth Proportional to 19,801.92, 29,705.61 and 6,655.31

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Solution

The fourth proportional to 19,801.92, 29,705.61 and 6,655.31 is: 9,983.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.92 : 29,705.61 = 6,655.31 : x
  2. Step 2: Convert to fraction form
    19,801.92/29,705.61 = 6,655.31/x
  3. Step 3: Cross multiply
    19,801.92x = 29,705.61 × 6,655.31
  4. Step 4: Simplify right side
    19,801.92x = 197,700,043.29
  5. Step 5: Solve for x
    x = 197,700,043.29/19,801.92
  6. Step 6: Final answer
    x = 9,983.88

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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.