Home / 15,378.06-23,067.10-4,285.04

Finding the Fourth Proportional to 15,378.06, 23,067.10 and 4,285.04

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Solution

The fourth proportional to 15,378.06, 23,067.10 and 4,285.04 is: 6,427.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378.06 : 23,067.10 = 4,285.04 : x
  2. Step 2: Convert to fraction form
    15,378.06/23,067.10 = 4,285.04/x
  3. Step 3: Cross multiply
    15,378.06x = 23,067.10 × 4,285.04
  4. Step 4: Simplify right side
    15,378.06x = 98,843,418.45
  5. Step 5: Solve for x
    x = 98,843,418.45/15,378.06
  6. Step 6: Final answer
    x = 6,427.56

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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.