Home / 18,917.51-26,105.14-10,417.97

Finding the Fourth Proportional to 18,917.51, 26,105.14 and 10,417.97

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Solution

The fourth proportional to 18,917.51, 26,105.14 and 10,417.97 is: 14,376.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,917.51 : 26,105.14 = 10,417.97 : x
  2. Step 2: Convert to fraction form
    18,917.51/26,105.14 = 10,417.97/x
  3. Step 3: Cross multiply
    18,917.51x = 26,105.14 × 10,417.97
  4. Step 4: Simplify right side
    18,917.51x = 271,962,604.58
  5. Step 5: Solve for x
    x = 271,962,604.58/18,917.51
  6. Step 6: Final answer
    x = 14,376.24

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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.