Home / 26,938.14-40,420.87-11,154.83

Finding the Fourth Proportional to 26,938.14, 40,420.87 and 11,154.83

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Solution

The fourth proportional to 26,938.14, 40,420.87 and 11,154.83 is: 16,737.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,938.14 : 40,420.87 = 11,154.83 : x
  2. Step 2: Convert to fraction form
    26,938.14/40,420.87 = 11,154.83/x
  3. Step 3: Cross multiply
    26,938.14x = 40,420.87 × 11,154.83
  4. Step 4: Simplify right side
    26,938.14x = 450,887,703.31
  5. Step 5: Solve for x
    x = 450,887,703.31/26,938.14
  6. Step 6: Final answer
    x = 16,737.90

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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.