Home / 27,344.73-40,985.10-12,555.09

Finding the Fourth Proportional to 27,344.73, 40,985.10 and 12,555.09

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Solution

The fourth proportional to 27,344.73, 40,985.10 and 12,555.09 is: 18,817.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,344.73 : 40,985.10 = 12,555.09 : x
  2. Step 2: Convert to fraction form
    27,344.73/40,985.10 = 12,555.09/x
  3. Step 3: Cross multiply
    27,344.73x = 40,985.10 × 12,555.09
  4. Step 4: Simplify right side
    27,344.73x = 514,571,619.16
  5. Step 5: Solve for x
    x = 514,571,619.16/27,344.73
  6. Step 6: Final answer
    x = 18,817.94

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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.