Home / 18,916.62-26,104.98-10,418.46

Finding the Fourth Proportional to 18,916.62, 26,104.98 and 10,418.46

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Solution

The fourth proportional to 18,916.62, 26,104.98 and 10,418.46 is: 14,377.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916.62 : 26,104.98 = 10,418.46 : x
  2. Step 2: Convert to fraction form
    18,916.62/26,104.98 = 10,418.46/x
  3. Step 3: Cross multiply
    18,916.62x = 26,104.98 × 10,418.46
  4. Step 4: Simplify right side
    18,916.62x = 271,973,689.93
  5. Step 5: Solve for x
    x = 271,973,689.93/18,916.62
  6. Step 6: Final answer
    x = 14,377.50

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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.