Home / 26,603.61-39,878.47-17,249.55

Finding the Fourth Proportional to 26,603.61, 39,878.47 and 17,249.55

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Solution

The fourth proportional to 26,603.61, 39,878.47 and 17,249.55 is: 25,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,603.61 : 39,878.47 = 17,249.55 : x
  2. Step 2: Convert to fraction form
    26,603.61/39,878.47 = 17,249.55/x
  3. Step 3: Cross multiply
    26,603.61x = 39,878.47 × 17,249.55
  4. Step 4: Simplify right side
    26,603.61x = 687,885,662.19
  5. Step 5: Solve for x
    x = 687,885,662.19/26,603.61
  6. Step 6: Final answer
    x = 25,856.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.