Home / 26,926.07-40,389.12-12,882.80

Finding the Fourth Proportional to 26,926.07, 40,389.12 and 12,882.80

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Solution

The fourth proportional to 26,926.07, 40,389.12 and 12,882.80 is: 19,324.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,926.07 : 40,389.12 = 12,882.80 : x
  2. Step 2: Convert to fraction form
    26,926.07/40,389.12 = 12,882.80/x
  3. Step 3: Cross multiply
    26,926.07x = 40,389.12 × 12,882.80
  4. Step 4: Simplify right side
    26,926.07x = 520,324,753.19
  5. Step 5: Solve for x
    x = 520,324,753.19/26,926.07
  6. Step 6: Final answer
    x = 19,324.20

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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.