Home / 15,949.76-22,049.16-14,621.36

Finding the Fourth Proportional to 15,949.76, 22,049.16 and 14,621.36

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Solution

The fourth proportional to 15,949.76, 22,049.16 and 14,621.36 is: 20,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,949.76 : 22,049.16 = 14,621.36 : x
  2. Step 2: Convert to fraction form
    15,949.76/22,049.16 = 14,621.36/x
  3. Step 3: Cross multiply
    15,949.76x = 22,049.16 × 14,621.36
  4. Step 4: Simplify right side
    15,949.76x = 322,388,706.06
  5. Step 5: Solve for x
    x = 322,388,706.06/15,949.76
  6. Step 6: Final answer
    x = 20,212.76

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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.