Home / 26,420.49-36,464.90-20,068.11

Finding the Fourth Proportional to 26,420.49, 36,464.90 and 20,068.11

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Solution

The fourth proportional to 26,420.49, 36,464.90 and 20,068.11 is: 27,697.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420.49 : 36,464.90 = 20,068.11 : x
  2. Step 2: Convert to fraction form
    26,420.49/36,464.90 = 20,068.11/x
  3. Step 3: Cross multiply
    26,420.49x = 36,464.90 × 20,068.11
  4. Step 4: Simplify right side
    26,420.49x = 731,781,704.85
  5. Step 5: Solve for x
    x = 731,781,704.85/26,420.49
  6. Step 6: Final answer
    x = 27,697.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.