Home / 26,581.20-36,699.12-16,520.40

Finding the Fourth Proportional to 26,581.20, 36,699.12 and 16,520.40

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Solution

The fourth proportional to 26,581.20, 36,699.12 and 16,520.40 is: 22,808.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,581.20 : 36,699.12 = 16,520.40 : x
  2. Step 2: Convert to fraction form
    26,581.20/36,699.12 = 16,520.40/x
  3. Step 3: Cross multiply
    26,581.20x = 36,699.12 × 16,520.40
  4. Step 4: Simplify right side
    26,581.20x = 606,284,142.05
  5. Step 5: Solve for x
    x = 606,284,142.05/26,581.20
  6. Step 6: Final answer
    x = 22,808.76

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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.