Home / 22,409.16-33,614.39-12,540.72

Finding the Fourth Proportional to 22,409.16, 33,614.39 and 12,540.72

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Solution

The fourth proportional to 22,409.16, 33,614.39 and 12,540.72 is: 18,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,409.16 : 33,614.39 = 12,540.72 : x
  2. Step 2: Convert to fraction form
    22,409.16/33,614.39 = 12,540.72/x
  3. Step 3: Cross multiply
    22,409.16x = 33,614.39 × 12,540.72
  4. Step 4: Simplify right side
    22,409.16x = 421,548,810.37
  5. Step 5: Solve for x
    x = 421,548,810.37/22,409.16
  6. Step 6: Final answer
    x = 18,811.45

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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.