Home / 15,926.52-21,960.88-10,891.56

Finding the Fourth Proportional to 15,926.52, 21,960.88 and 10,891.56

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Solution

The fourth proportional to 15,926.52, 21,960.88 and 10,891.56 is: 15,018.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,926.52 : 21,960.88 = 10,891.56 : x
  2. Step 2: Convert to fraction form
    15,926.52/21,960.88 = 10,891.56/x
  3. Step 3: Cross multiply
    15,926.52x = 21,960.88 × 10,891.56
  4. Step 4: Simplify right side
    15,926.52x = 239,188,242.17
  5. Step 5: Solve for x
    x = 239,188,242.17/15,926.52
  6. Step 6: Final answer
    x = 15,018.24

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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.