Home / 26,760.64-40,146.59-10,120.30

Finding the Fourth Proportional to 26,760.64, 40,146.59 and 10,120.30

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Solution

The fourth proportional to 26,760.64, 40,146.59 and 10,120.30 is: 15,182.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,760.64 : 40,146.59 = 10,120.30 : x
  2. Step 2: Convert to fraction form
    26,760.64/40,146.59 = 10,120.30/x
  3. Step 3: Cross multiply
    26,760.64x = 40,146.59 × 10,120.30
  4. Step 4: Simplify right side
    26,760.64x = 406,295,283.44
  5. Step 5: Solve for x
    x = 406,295,283.44/26,760.64
  6. Step 6: Final answer
    x = 15,182.57

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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.