Home / 19,139.22-26,410.33-17,728.60

Finding the Fourth Proportional to 19,139.22, 26,410.33 and 17,728.60

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Solution

The fourth proportional to 19,139.22, 26,410.33 and 17,728.60 is: 24,463.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,139.22 : 26,410.33 = 17,728.60 : x
  2. Step 2: Convert to fraction form
    19,139.22/26,410.33 = 17,728.60/x
  3. Step 3: Cross multiply
    19,139.22x = 26,410.33 × 17,728.60
  4. Step 4: Simplify right side
    19,139.22x = 468,218,176.44
  5. Step 5: Solve for x
    x = 468,218,176.44/19,139.22
  6. Step 6: Final answer
    x = 24,463.81

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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.