Home / 26,694.12-40,041.84-12,650.76

Finding the Fourth Proportional to 26,694.12, 40,041.84 and 12,650.76

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Solution

The fourth proportional to 26,694.12, 40,041.84 and 12,650.76 is: 18,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,694.12 : 40,041.84 = 12,650.76 : x
  2. Step 2: Convert to fraction form
    26,694.12/40,041.84 = 12,650.76/x
  3. Step 3: Cross multiply
    26,694.12x = 40,041.84 × 12,650.76
  4. Step 4: Simplify right side
    26,694.12x = 506,559,707.80
  5. Step 5: Solve for x
    x = 506,559,707.80/26,694.12
  6. Step 6: Final answer
    x = 18,976.45

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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.