Home / 21,755.17-32,626.75-7,713.35

Finding the Fourth Proportional to 21,755.17, 32,626.75 and 7,713.35

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Solution

The fourth proportional to 21,755.17, 32,626.75 and 7,713.35 is: 11,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,755.17 : 32,626.75 = 7,713.35 : x
  2. Step 2: Convert to fraction form
    21,755.17/32,626.75 = 7,713.35/x
  3. Step 3: Cross multiply
    21,755.17x = 32,626.75 × 7,713.35
  4. Step 4: Simplify right side
    21,755.17x = 251,661,542.11
  5. Step 5: Solve for x
    x = 251,661,542.11/21,755.17
  6. Step 6: Final answer
    x = 11,567.90

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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.