Home / 26,901.60-40,333.20-12,098.40

Finding the Fourth Proportional to 26,901.60, 40,333.20 and 12,098.40

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Solution

The fourth proportional to 26,901.60, 40,333.20 and 12,098.40 is: 18,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,901.60 : 40,333.20 = 12,098.40 : x
  2. Step 2: Convert to fraction form
    26,901.60/40,333.20 = 12,098.40/x
  3. Step 3: Cross multiply
    26,901.60x = 40,333.20 × 12,098.40
  4. Step 4: Simplify right side
    26,901.60x = 487,967,186.88
  5. Step 5: Solve for x
    x = 487,967,186.88/26,901.60
  6. Step 6: Final answer
    x = 18,138.97

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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.