Home / 19,131.45-26,402.87-10,634.27

Finding the Fourth Proportional to 19,131.45, 26,402.87 and 10,634.27

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Solution

The fourth proportional to 19,131.45, 26,402.87 and 10,634.27 is: 14,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.45 : 26,402.87 = 10,634.27 : x
  2. Step 2: Convert to fraction form
    19,131.45/26,402.87 = 10,634.27/x
  3. Step 3: Cross multiply
    19,131.45x = 26,402.87 × 10,634.27
  4. Step 4: Simplify right side
    19,131.45x = 280,775,063.17
  5. Step 5: Solve for x
    x = 280,775,063.17/19,131.45
  6. Step 6: Final answer
    x = 14,676.10

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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.