Home / 27,694.80-41,528.76-12,900.24

Finding the Fourth Proportional to 27,694.80, 41,528.76 and 12,900.24

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Solution

The fourth proportional to 27,694.80, 41,528.76 and 12,900.24 is: 19,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,694.80 : 41,528.76 = 12,900.24 : x
  2. Step 2: Convert to fraction form
    27,694.80/41,528.76 = 12,900.24/x
  3. Step 3: Cross multiply
    27,694.80x = 41,528.76 × 12,900.24
  4. Step 4: Simplify right side
    27,694.80x = 535,730,970.90
  5. Step 5: Solve for x
    x = 535,730,970.90/27,694.80
  6. Step 6: Final answer
    x = 19,344.10

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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.