Home / 26,278.65-36,294.71-19,140.37

Finding the Fourth Proportional to 26,278.65, 36,294.71 and 19,140.37

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Solution

The fourth proportional to 26,278.65, 36,294.71 and 19,140.37 is: 26,435.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,278.65 : 36,294.71 = 19,140.37 : x
  2. Step 2: Convert to fraction form
    26,278.65/36,294.71 = 19,140.37/x
  3. Step 3: Cross multiply
    26,278.65x = 36,294.71 × 19,140.37
  4. Step 4: Simplify right side
    26,278.65x = 694,693,992.00
  5. Step 5: Solve for x
    x = 694,693,992.00/26,278.65
  6. Step 6: Final answer
    x = 26,435.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.