Home / 21,707.80-32,561.70-6,125.43

Finding the Fourth Proportional to 21,707.80, 32,561.70 and 6,125.43

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Solution

The fourth proportional to 21,707.80, 32,561.70 and 6,125.43 is: 9,188.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,707.80 : 32,561.70 = 6,125.43 : x
  2. Step 2: Convert to fraction form
    21,707.80/32,561.70 = 6,125.43/x
  3. Step 3: Cross multiply
    21,707.80x = 32,561.70 × 6,125.43
  4. Step 4: Simplify right side
    21,707.80x = 199,454,414.03
  5. Step 5: Solve for x
    x = 199,454,414.03/21,707.80
  6. Step 6: Final answer
    x = 9,188.15

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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.