Home / 19,122.75-26,391.87-10,739.25

Finding the Fourth Proportional to 19,122.75, 26,391.87 and 10,739.25

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Solution

The fourth proportional to 19,122.75, 26,391.87 and 10,739.25 is: 14,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.75 : 26,391.87 = 10,739.25 : x
  2. Step 2: Convert to fraction form
    19,122.75/26,391.87 = 10,739.25/x
  3. Step 3: Cross multiply
    19,122.75x = 26,391.87 × 10,739.25
  4. Step 4: Simplify right side
    19,122.75x = 283,428,889.90
  5. Step 5: Solve for x
    x = 283,428,889.90/19,122.75
  6. Step 6: Final answer
    x = 14,821.55

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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.