Home / 17,126.70-25,672.50-10,891.32

Finding the Fourth Proportional to 17,126.70, 25,672.50 and 10,891.32

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Solution

The fourth proportional to 17,126.70, 25,672.50 and 10,891.32 is: 16,325.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,126.70 : 25,672.50 = 10,891.32 : x
  2. Step 2: Convert to fraction form
    17,126.70/25,672.50 = 10,891.32/x
  3. Step 3: Cross multiply
    17,126.70x = 25,672.50 × 10,891.32
  4. Step 4: Simplify right side
    17,126.70x = 279,607,412.70
  5. Step 5: Solve for x
    x = 279,607,412.70/17,126.70
  6. Step 6: Final answer
    x = 16,325.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.