Home / 19,408.68-26,784-11,026.80

Finding the Fourth Proportional to 19,408.68, 26,784 and 11,026.80

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Solution

The fourth proportional to 19,408.68, 26,784 and 11,026.80 is: 15,217.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408.68 : 26,784 = 11,026.80 : x
  2. Step 2: Convert to fraction form
    19,408.68/26,784 = 11,026.80/x
  3. Step 3: Cross multiply
    19,408.68x = 26,784 × 11,026.80
  4. Step 4: Simplify right side
    19,408.68x = 295,341,811.20
  5. Step 5: Solve for x
    x = 295,341,811.20/19,408.68
  6. Step 6: Final answer
    x = 15,217.00

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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.