Home / 19,015.26-26,240.94-10,631.76

Finding the Fourth Proportional to 19,015.26, 26,240.94 and 10,631.76

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Solution

The fourth proportional to 19,015.26, 26,240.94 and 10,631.76 is: 14,671.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.26 : 26,240.94 = 10,631.76 : x
  2. Step 2: Convert to fraction form
    19,015.26/26,240.94 = 10,631.76/x
  3. Step 3: Cross multiply
    19,015.26x = 26,240.94 × 10,631.76
  4. Step 4: Simplify right side
    19,015.26x = 278,987,376.25
  5. Step 5: Solve for x
    x = 278,987,376.25/19,015.26
  6. Step 6: Final answer
    x = 14,671.76

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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.