Home / 26,166.93-39,257-11,378.49

Finding the Fourth Proportional to 26,166.93, 39,257 and 11,378.49

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Solution

The fourth proportional to 26,166.93, 39,257 and 11,378.49 is: 17,070.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,166.93 : 39,257 = 11,378.49 : x
  2. Step 2: Convert to fraction form
    26,166.93/39,257 = 11,378.49/x
  3. Step 3: Cross multiply
    26,166.93x = 39,257 × 11,378.49
  4. Step 4: Simplify right side
    26,166.93x = 446,685,381.93
  5. Step 5: Solve for x
    x = 446,685,381.93/26,166.93
  6. Step 6: Final answer
    x = 17,070.61

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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.