Home / 19,371.62-26,730.63-10,872.59

Finding the Fourth Proportional to 19,371.62, 26,730.63 and 10,872.59

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Solution

The fourth proportional to 19,371.62, 26,730.63 and 10,872.59 is: 15,002.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,371.62 : 26,730.63 = 10,872.59 : x
  2. Step 2: Convert to fraction form
    19,371.62/26,730.63 = 10,872.59/x
  3. Step 3: Cross multiply
    19,371.62x = 26,730.63 × 10,872.59
  4. Step 4: Simplify right side
    19,371.62x = 290,631,180.43
  5. Step 5: Solve for x
    x = 290,631,180.43/19,371.62
  6. Step 6: Final answer
    x = 15,002.94

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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.