Home / 15,468.91-21,346.97-8,395.33

Finding the Fourth Proportional to 15,468.91, 21,346.97 and 8,395.33

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Solution

The fourth proportional to 15,468.91, 21,346.97 and 8,395.33 is: 11,585.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,468.91 : 21,346.97 = 8,395.33 : x
  2. Step 2: Convert to fraction form
    15,468.91/21,346.97 = 8,395.33/x
  3. Step 3: Cross multiply
    15,468.91x = 21,346.97 × 8,395.33
  4. Step 4: Simplify right side
    15,468.91x = 179,214,825.94
  5. Step 5: Solve for x
    x = 179,214,825.94/15,468.91
  6. Step 6: Final answer
    x = 11,585.49

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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.