Home / 27,686.07-41,544.09-12,891.42

Finding the Fourth Proportional to 27,686.07, 41,544.09 and 12,891.42

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Solution

The fourth proportional to 27,686.07, 41,544.09 and 12,891.42 is: 19,344.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,686.07 : 41,544.09 = 12,891.42 : x
  2. Step 2: Convert to fraction form
    27,686.07/41,544.09 = 12,891.42/x
  3. Step 3: Cross multiply
    27,686.07x = 41,544.09 × 12,891.42
  4. Step 4: Simplify right side
    27,686.07x = 535,562,312.71
  5. Step 5: Solve for x
    x = 535,562,312.71/27,686.07
  6. Step 6: Final answer
    x = 19,344.11

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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.