Home / 19,015.21-26,240.97-10,631.71

Finding the Fourth Proportional to 19,015.21, 26,240.97 and 10,631.71

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Solution

The fourth proportional to 19,015.21, 26,240.97 and 10,631.71 is: 14,671.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.21 : 26,240.97 = 10,631.71 : x
  2. Step 2: Convert to fraction form
    19,015.21/26,240.97 = 10,631.71/x
  3. Step 3: Cross multiply
    19,015.21x = 26,240.97 × 10,631.71
  4. Step 4: Simplify right side
    19,015.21x = 278,986,383.16
  5. Step 5: Solve for x
    x = 278,986,383.16/19,015.21
  6. Step 6: Final answer
    x = 14,671.75

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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.