Home / 27,803.17-41,710.20-12,220.75

Finding the Fourth Proportional to 27,803.17, 41,710.20 and 12,220.75

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Solution

The fourth proportional to 27,803.17, 41,710.20 and 12,220.75 is: 18,333.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,803.17 : 41,710.20 = 12,220.75 : x
  2. Step 2: Convert to fraction form
    27,803.17/41,710.20 = 12,220.75/x
  3. Step 3: Cross multiply
    27,803.17x = 41,710.20 × 12,220.75
  4. Step 4: Simplify right side
    27,803.17x = 509,729,926.65
  5. Step 5: Solve for x
    x = 509,729,926.65/27,803.17
  6. Step 6: Final answer
    x = 18,333.52

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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.