Home / 15,133.59-22,695.77-12,164.99

Finding the Fourth Proportional to 15,133.59, 22,695.77 and 12,164.99

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Solution

The fourth proportional to 15,133.59, 22,695.77 and 12,164.99 is: 18,243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133.59 : 22,695.77 = 12,164.99 : x
  2. Step 2: Convert to fraction form
    15,133.59/22,695.77 = 12,164.99/x
  3. Step 3: Cross multiply
    15,133.59x = 22,695.77 × 12,164.99
  4. Step 4: Simplify right side
    15,133.59x = 276,093,815.09
  5. Step 5: Solve for x
    x = 276,093,815.09/15,133.59
  6. Step 6: Final answer
    x = 18,243.78

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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.