Home / 18,909.72-26,093.61-10,411.74

Finding the Fourth Proportional to 18,909.72, 26,093.61 and 10,411.74

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Solution

The fourth proportional to 18,909.72, 26,093.61 and 10,411.74 is: 14,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,909.72 : 26,093.61 = 10,411.74 : x
  2. Step 2: Convert to fraction form
    18,909.72/26,093.61 = 10,411.74/x
  3. Step 3: Cross multiply
    18,909.72x = 26,093.61 × 10,411.74
  4. Step 4: Simplify right side
    18,909.72x = 271,679,882.98
  5. Step 5: Solve for x
    x = 271,679,882.98/18,909.72
  6. Step 6: Final answer
    x = 14,367.21

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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.