Home / 19,923.08-27,443.22-15,199.16

Finding the Fourth Proportional to 19,923.08, 27,443.22 and 15,199.16

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Solution

The fourth proportional to 19,923.08, 27,443.22 and 15,199.16 is: 20,936.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.08 : 27,443.22 = 15,199.16 : x
  2. Step 2: Convert to fraction form
    19,923.08/27,443.22 = 15,199.16/x
  3. Step 3: Cross multiply
    19,923.08x = 27,443.22 × 15,199.16
  4. Step 4: Simplify right side
    19,923.08x = 417,113,891.70
  5. Step 5: Solve for x
    x = 417,113,891.70/19,923.08
  6. Step 6: Final answer
    x = 20,936.22

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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.