Home / 26,758.56-40,139.28-11,160.48

Finding the Fourth Proportional to 26,758.56, 40,139.28 and 11,160.48

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Solution

The fourth proportional to 26,758.56, 40,139.28 and 11,160.48 is: 16,741.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,758.56 : 40,139.28 = 11,160.48 : x
  2. Step 2: Convert to fraction form
    26,758.56/40,139.28 = 11,160.48/x
  3. Step 3: Cross multiply
    26,758.56x = 40,139.28 × 11,160.48
  4. Step 4: Simplify right side
    26,758.56x = 447,973,631.65
  5. Step 5: Solve for x
    x = 447,973,631.65/26,758.56
  6. Step 6: Final answer
    x = 16,741.32

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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.