Home / 26,585.37-39,878.04-7,863.95

Finding the Fourth Proportional to 26,585.37, 39,878.04 and 7,863.95

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Solution

The fourth proportional to 26,585.37, 39,878.04 and 7,863.95 is: 11,795.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,585.37 : 39,878.04 = 7,863.95 : x
  2. Step 2: Convert to fraction form
    26,585.37/39,878.04 = 7,863.95/x
  3. Step 3: Cross multiply
    26,585.37x = 39,878.04 × 7,863.95
  4. Step 4: Simplify right side
    26,585.37x = 313,598,713.27
  5. Step 5: Solve for x
    x = 313,598,713.27/26,585.37
  6. Step 6: Final answer
    x = 11,795.91

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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.