Home / 19,966.96-29,939.19-6,632.81

Finding the Fourth Proportional to 19,966.96, 29,939.19 and 6,632.81

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Solution

The fourth proportional to 19,966.96, 29,939.19 and 6,632.81 is: 9,945.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.96 : 29,939.19 = 6,632.81 : x
  2. Step 2: Convert to fraction form
    19,966.96/29,939.19 = 6,632.81/x
  3. Step 3: Cross multiply
    19,966.96x = 29,939.19 × 6,632.81
  4. Step 4: Simplify right side
    19,966.96x = 198,581,036.70
  5. Step 5: Solve for x
    x = 198,581,036.70/19,966.96
  6. Step 6: Final answer
    x = 9,945.48

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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.