Home / 27,211.50-40,824.09-13,178.25

Finding the Fourth Proportional to 27,211.50, 40,824.09 and 13,178.25

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Solution

The fourth proportional to 27,211.50, 40,824.09 and 13,178.25 is: 19,770.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,211.50 : 40,824.09 = 13,178.25 : x
  2. Step 2: Convert to fraction form
    27,211.50/40,824.09 = 13,178.25/x
  3. Step 3: Cross multiply
    27,211.50x = 40,824.09 × 13,178.25
  4. Step 4: Simplify right side
    27,211.50x = 537,990,064.04
  5. Step 5: Solve for x
    x = 537,990,064.04/27,211.50
  6. Step 6: Final answer
    x = 19,770.69

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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.