Home / 17,186.19-23,709.85-11,215.71

Finding the Fourth Proportional to 17,186.19, 23,709.85 and 11,215.71

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Solution

The fourth proportional to 17,186.19, 23,709.85 and 11,215.71 is: 15,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,186.19 : 23,709.85 = 11,215.71 : x
  2. Step 2: Convert to fraction form
    17,186.19/23,709.85 = 11,215.71/x
  3. Step 3: Cross multiply
    17,186.19x = 23,709.85 × 11,215.71
  4. Step 4: Simplify right side
    17,186.19x = 265,922,801.74
  5. Step 5: Solve for x
    x = 265,922,801.74/17,186.19
  6. Step 6: Final answer
    x = 15,473.05

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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.