Home / 19,949.16-27,529.48-10,996.70

Finding the Fourth Proportional to 19,949.16, 27,529.48 and 10,996.70

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Solution

The fourth proportional to 19,949.16, 27,529.48 and 10,996.70 is: 15,175.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.16 : 27,529.48 = 10,996.70 : x
  2. Step 2: Convert to fraction form
    19,949.16/27,529.48 = 10,996.70/x
  3. Step 3: Cross multiply
    19,949.16x = 27,529.48 × 10,996.70
  4. Step 4: Simplify right side
    19,949.16x = 302,733,432.72
  5. Step 5: Solve for x
    x = 302,733,432.72/19,949.16
  6. Step 6: Final answer
    x = 15,175.25

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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.