Home / 26,811.10-40,216.65-18,516.70

Finding the Fourth Proportional to 26,811.10, 40,216.65 and 18,516.70

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Solution

The fourth proportional to 26,811.10, 40,216.65 and 18,516.70 is: 27,775.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,811.10 : 40,216.65 = 18,516.70 : x
  2. Step 2: Convert to fraction form
    26,811.10/40,216.65 = 18,516.70/x
  3. Step 3: Cross multiply
    26,811.10x = 40,216.65 × 18,516.70
  4. Step 4: Simplify right side
    26,811.10x = 744,679,643.06
  5. Step 5: Solve for x
    x = 744,679,643.06/26,811.10
  6. Step 6: Final answer
    x = 27,775.05

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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.