Home / 26,913.68-40,365.86-8,189.18

Finding the Fourth Proportional to 26,913.68, 40,365.86 and 8,189.18

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Solution

The fourth proportional to 26,913.68, 40,365.86 and 8,189.18 is: 12,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,913.68 : 40,365.86 = 8,189.18 : x
  2. Step 2: Convert to fraction form
    26,913.68/40,365.86 = 8,189.18/x
  3. Step 3: Cross multiply
    26,913.68x = 40,365.86 × 8,189.18
  4. Step 4: Simplify right side
    26,913.68x = 330,563,050.62
  5. Step 5: Solve for x
    x = 330,563,050.62/26,913.68
  6. Step 6: Final answer
    x = 12,282.35

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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.