Home / 39,689.39-59,524.77-11,603.55

Finding the Fourth Proportional to 39,689.39, 59,524.77 and 11,603.55

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Solution

The fourth proportional to 39,689.39, 59,524.77 and 11,603.55 is: 17,402.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,689.39 : 59,524.77 = 11,603.55 : x
  2. Step 2: Convert to fraction form
    39,689.39/59,524.77 = 11,603.55/x
  3. Step 3: Cross multiply
    39,689.39x = 59,524.77 × 11,603.55
  4. Step 4: Simplify right side
    39,689.39x = 690,698,911.66
  5. Step 5: Solve for x
    x = 690,698,911.66/39,689.39
  6. Step 6: Final answer
    x = 17,402.61

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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.