Home / 15,748.22-21,710.76-11,264.15

Finding the Fourth Proportional to 15,748.22, 21,710.76 and 11,264.15

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Solution

The fourth proportional to 15,748.22, 21,710.76 and 11,264.15 is: 15,528.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,748.22 : 21,710.76 = 11,264.15 : x
  2. Step 2: Convert to fraction form
    15,748.22/21,710.76 = 11,264.15/x
  3. Step 3: Cross multiply
    15,748.22x = 21,710.76 × 11,264.15
  4. Step 4: Simplify right side
    15,748.22x = 244,553,257.25
  5. Step 5: Solve for x
    x = 244,553,257.25/15,748.22
  6. Step 6: Final answer
    x = 15,528.95

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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.