Home / 26,771.90-40,158.17-12,733.28

Finding the Fourth Proportional to 26,771.90, 40,158.17 and 12,733.28

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Solution

The fourth proportional to 26,771.90, 40,158.17 and 12,733.28 is: 19,100.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,771.90 : 40,158.17 = 12,733.28 : x
  2. Step 2: Convert to fraction form
    26,771.90/40,158.17 = 12,733.28/x
  3. Step 3: Cross multiply
    26,771.90x = 40,158.17 × 12,733.28
  4. Step 4: Simplify right side
    26,771.90x = 511,345,159.23
  5. Step 5: Solve for x
    x = 511,345,159.23/26,771.90
  6. Step 6: Final answer
    x = 19,100.07

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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.