Home / 26,810.10-40,215.15-10,164.60

Finding the Fourth Proportional to 26,810.10, 40,215.15 and 10,164.60

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Solution

The fourth proportional to 26,810.10, 40,215.15 and 10,164.60 is: 15,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,810.10 : 40,215.15 = 10,164.60 : x
  2. Step 2: Convert to fraction form
    26,810.10/40,215.15 = 10,164.60/x
  3. Step 3: Cross multiply
    26,810.10x = 40,215.15 × 10,164.60
  4. Step 4: Simplify right side
    26,810.10x = 408,770,913.69
  5. Step 5: Solve for x
    x = 408,770,913.69/26,810.10
  6. Step 6: Final answer
    x = 15,246.90

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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.