Home / 19,309.05-26,632.74-17,720.83

Finding the Fourth Proportional to 19,309.05, 26,632.74 and 17,720.83

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Solution

The fourth proportional to 19,309.05, 26,632.74 and 17,720.83 is: 24,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309.05 : 26,632.74 = 17,720.83 : x
  2. Step 2: Convert to fraction form
    19,309.05/26,632.74 = 17,720.83/x
  3. Step 3: Cross multiply
    19,309.05x = 26,632.74 × 17,720.83
  4. Step 4: Simplify right side
    19,309.05x = 471,954,257.97
  5. Step 5: Solve for x
    x = 471,954,257.97/19,309.05
  6. Step 6: Final answer
    x = 24,442.13

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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.