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Finding the Fourth Proportional to 15,952.84, 22,005.50 and 10,914.52

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Solution

The fourth proportional to 15,952.84, 22,005.50 and 10,914.52 is: 15,055.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,952.84 : 22,005.50 = 10,914.52 : x
  2. Step 2: Convert to fraction form
    15,952.84/22,005.50 = 10,914.52/x
  3. Step 3: Cross multiply
    15,952.84x = 22,005.50 × 10,914.52
  4. Step 4: Simplify right side
    15,952.84x = 240,179,469.86
  5. Step 5: Solve for x
    x = 240,179,469.86/15,952.84
  6. Step 6: Final answer
    x = 15,055.59

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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.