Home / 22,754.08-34,131.48-8,720.56

Finding the Fourth Proportional to 22,754.08, 34,131.48 and 8,720.56

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Solution

The fourth proportional to 22,754.08, 34,131.48 and 8,720.56 is: 13,080.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,754.08 : 34,131.48 = 8,720.56 : x
  2. Step 2: Convert to fraction form
    22,754.08/34,131.48 = 8,720.56/x
  3. Step 3: Cross multiply
    22,754.08x = 34,131.48 × 8,720.56
  4. Step 4: Simplify right side
    22,754.08x = 297,645,619.23
  5. Step 5: Solve for x
    x = 297,645,619.23/22,754.08
  6. Step 6: Final answer
    x = 13,080.98

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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.