Home / 25,860.32-35,691.09-15,794.54

Finding the Fourth Proportional to 25,860.32, 35,691.09 and 15,794.54

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Solution

The fourth proportional to 25,860.32, 35,691.09 and 15,794.54 is: 21,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,860.32 : 35,691.09 = 15,794.54 : x
  2. Step 2: Convert to fraction form
    25,860.32/35,691.09 = 15,794.54/x
  3. Step 3: Cross multiply
    25,860.32x = 35,691.09 × 15,794.54
  4. Step 4: Simplify right side
    25,860.32x = 563,724,348.65
  5. Step 5: Solve for x
    x = 563,724,348.65/25,860.32
  6. Step 6: Final answer
    x = 21,798.82

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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.