Home / 18,559.50-27,838.71-6,872.46

Finding the Fourth Proportional to 18,559.50, 27,838.71 and 6,872.46

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Solution

The fourth proportional to 18,559.50, 27,838.71 and 6,872.46 is: 10,308.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.50 : 27,838.71 = 6,872.46 : x
  2. Step 2: Convert to fraction form
    18,559.50/27,838.71 = 6,872.46/x
  3. Step 3: Cross multiply
    18,559.50x = 27,838.71 × 6,872.46
  4. Step 4: Simplify right side
    18,559.50x = 191,320,420.93
  5. Step 5: Solve for x
    x = 191,320,420.93/18,559.50
  6. Step 6: Final answer
    x = 10,308.49

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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.