Home / 27,306.36-37,682.82-15,369.80

Finding the Fourth Proportional to 27,306.36, 37,682.82 and 15,369.80

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Solution

The fourth proportional to 27,306.36, 37,682.82 and 15,369.80 is: 21,210.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,306.36 : 37,682.82 = 15,369.80 : x
  2. Step 2: Convert to fraction form
    27,306.36/37,682.82 = 15,369.80/x
  3. Step 3: Cross multiply
    27,306.36x = 37,682.82 × 15,369.80
  4. Step 4: Simplify right side
    27,306.36x = 579,177,406.84
  5. Step 5: Solve for x
    x = 579,177,406.84/27,306.36
  6. Step 6: Final answer
    x = 21,210.35

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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.