Home / 26,735.10-40,102.65-18,440.70

Finding the Fourth Proportional to 26,735.10, 40,102.65 and 18,440.70

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Solution

The fourth proportional to 26,735.10, 40,102.65 and 18,440.70 is: 27,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,735.10 : 40,102.65 = 18,440.70 : x
  2. Step 2: Convert to fraction form
    26,735.10/40,102.65 = 18,440.70/x
  3. Step 3: Cross multiply
    26,735.10x = 40,102.65 × 18,440.70
  4. Step 4: Simplify right side
    26,735.10x = 739,520,937.86
  5. Step 5: Solve for x
    x = 739,520,937.86/26,735.10
  6. Step 6: Final answer
    x = 27,661.05

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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.