Home / 26,279.10-39,566.78-23,178.42

Finding the Fourth Proportional to 26,279.10, 39,566.78 and 23,178.42

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Solution

The fourth proportional to 26,279.10, 39,566.78 and 23,178.42 is: 34,898.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,279.10 : 39,566.78 = 23,178.42 : x
  2. Step 2: Convert to fraction form
    26,279.10/39,566.78 = 23,178.42/x
  3. Step 3: Cross multiply
    26,279.10x = 39,566.78 × 23,178.42
  4. Step 4: Simplify right side
    26,279.10x = 917,095,329.00
  5. Step 5: Solve for x
    x = 917,095,329.00/26,279.10
  6. Step 6: Final answer
    x = 34,898.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.