Home / 26,975.12-40,461.20-8,255.14

Finding the Fourth Proportional to 26,975.12, 40,461.20 and 8,255.14

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Solution

The fourth proportional to 26,975.12, 40,461.20 and 8,255.14 is: 12,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,975.12 : 40,461.20 = 8,255.14 : x
  2. Step 2: Convert to fraction form
    26,975.12/40,461.20 = 8,255.14/x
  3. Step 3: Cross multiply
    26,975.12x = 40,461.20 × 8,255.14
  4. Step 4: Simplify right side
    26,975.12x = 334,012,728.14
  5. Step 5: Solve for x
    x = 334,012,728.14/26,975.12
  6. Step 6: Final answer
    x = 12,382.25

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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.