Home / 18,916.83-26,105.01-10,418.79

Finding the Fourth Proportional to 18,916.83, 26,105.01 and 10,418.79

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Solution

The fourth proportional to 18,916.83, 26,105.01 and 10,418.79 is: 14,377.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916.83 : 26,105.01 = 10,418.79 : x
  2. Step 2: Convert to fraction form
    18,916.83/26,105.01 = 10,418.79/x
  3. Step 3: Cross multiply
    18,916.83x = 26,105.01 × 10,418.79
  4. Step 4: Simplify right side
    18,916.83x = 271,982,617.14
  5. Step 5: Solve for x
    x = 271,982,617.14/18,916.83
  6. Step 6: Final answer
    x = 14,377.81

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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.