Home / 18,941.06-26,135.59-11,385.58

Finding the Fourth Proportional to 18,941.06, 26,135.59 and 11,385.58

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Solution

The fourth proportional to 18,941.06, 26,135.59 and 11,385.58 is: 15,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.06 : 26,135.59 = 11,385.58 : x
  2. Step 2: Convert to fraction form
    18,941.06/26,135.59 = 11,385.58/x
  3. Step 3: Cross multiply
    18,941.06x = 26,135.59 × 11,385.58
  4. Step 4: Simplify right side
    18,941.06x = 297,568,850.79
  5. Step 5: Solve for x
    x = 297,568,850.79/18,941.06
  6. Step 6: Final answer
    x = 15,710.25

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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.