Home / 19,408.28-26,786.25-10,911.10

Finding the Fourth Proportional to 19,408.28, 26,786.25 and 10,911.10

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Solution

The fourth proportional to 19,408.28, 26,786.25 and 10,911.10 is: 15,058.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408.28 : 26,786.25 = 10,911.10 : x
  2. Step 2: Convert to fraction form
    19,408.28/26,786.25 = 10,911.10/x
  3. Step 3: Cross multiply
    19,408.28x = 26,786.25 × 10,911.10
  4. Step 4: Simplify right side
    19,408.28x = 292,267,385.41
  5. Step 5: Solve for x
    x = 292,267,385.41/19,408.28
  6. Step 6: Final answer
    x = 15,058.91

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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.