Home / 19,165.62-26,447.13-10,780.50

Finding the Fourth Proportional to 19,165.62, 26,447.13 and 10,780.50

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Solution

The fourth proportional to 19,165.62, 26,447.13 and 10,780.50 is: 14,876.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.62 : 26,447.13 = 10,780.50 : x
  2. Step 2: Convert to fraction form
    19,165.62/26,447.13 = 10,780.50/x
  3. Step 3: Cross multiply
    19,165.62x = 26,447.13 × 10,780.50
  4. Step 4: Simplify right side
    19,165.62x = 285,113,284.97
  5. Step 5: Solve for x
    x = 285,113,284.97/19,165.62
  6. Step 6: Final answer
    x = 14,876.29

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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.