Home / 19,632.75-29,454.80-5,781.75

Finding the Fourth Proportional to 19,632.75, 29,454.80 and 5,781.75

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Solution

The fourth proportional to 19,632.75, 29,454.80 and 5,781.75 is: 8,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,632.75 : 29,454.80 = 5,781.75 : x
  2. Step 2: Convert to fraction form
    19,632.75/29,454.80 = 5,781.75/x
  3. Step 3: Cross multiply
    19,632.75x = 29,454.80 × 5,781.75
  4. Step 4: Simplify right side
    19,632.75x = 170,300,260.99
  5. Step 5: Solve for x
    x = 170,300,260.99/19,632.75
  6. Step 6: Final answer
    x = 8,674.29

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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.