Home / 19,915.06-27,481.23-11,417.08

Finding the Fourth Proportional to 19,915.06, 27,481.23 and 11,417.08

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Solution

The fourth proportional to 19,915.06, 27,481.23 and 11,417.08 is: 15,754.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,915.06 : 27,481.23 = 11,417.08 : x
  2. Step 2: Convert to fraction form
    19,915.06/27,481.23 = 11,417.08/x
  3. Step 3: Cross multiply
    19,915.06x = 27,481.23 × 11,417.08
  4. Step 4: Simplify right side
    19,915.06x = 313,755,401.41
  5. Step 5: Solve for x
    x = 313,755,401.41/19,915.06
  6. Step 6: Final answer
    x = 15,754.68

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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.