Home / 26,870.57-40,313.23-8,151.22

Finding the Fourth Proportional to 26,870.57, 40,313.23 and 8,151.22

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Solution

The fourth proportional to 26,870.57, 40,313.23 and 8,151.22 is: 12,229.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,870.57 : 40,313.23 = 8,151.22 : x
  2. Step 2: Convert to fraction form
    26,870.57/40,313.23 = 8,151.22/x
  3. Step 3: Cross multiply
    26,870.57x = 40,313.23 × 8,151.22
  4. Step 4: Simplify right side
    26,870.57x = 328,602,006.64
  5. Step 5: Solve for x
    x = 328,602,006.64/26,870.57
  6. Step 6: Final answer
    x = 12,229.07

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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.