Home / 27,125.88-37,395.18-19,943.12

Finding the Fourth Proportional to 27,125.88, 37,395.18 and 19,943.12

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Solution

The fourth proportional to 27,125.88, 37,395.18 and 19,943.12 is: 27,493.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,125.88 : 37,395.18 = 19,943.12 : x
  2. Step 2: Convert to fraction form
    27,125.88/37,395.18 = 19,943.12/x
  3. Step 3: Cross multiply
    27,125.88x = 37,395.18 × 19,943.12
  4. Step 4: Simplify right side
    27,125.88x = 745,776,375.19
  5. Step 5: Solve for x
    x = 745,776,375.19/27,125.88
  6. Step 6: Final answer
    x = 27,493.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.