Home / 26,739.10-40,108.65-18,444.70

Finding the Fourth Proportional to 26,739.10, 40,108.65 and 18,444.70

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Solution

The fourth proportional to 26,739.10, 40,108.65 and 18,444.70 is: 27,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,739.10 : 40,108.65 = 18,444.70 : x
  2. Step 2: Convert to fraction form
    26,739.10/40,108.65 = 18,444.70/x
  3. Step 3: Cross multiply
    26,739.10x = 40,108.65 × 18,444.70
  4. Step 4: Simplify right side
    26,739.10x = 739,792,016.66
  5. Step 5: Solve for x
    x = 739,792,016.66/26,739.10
  6. Step 6: Final answer
    x = 27,667.05

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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.