Home / 17,417.96-23,982.15-15,371.77

Finding the Fourth Proportional to 17,417.96, 23,982.15 and 15,371.77

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Solution

The fourth proportional to 17,417.96, 23,982.15 and 15,371.77 is: 21,164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,417.96 : 23,982.15 = 15,371.77 : x
  2. Step 2: Convert to fraction form
    17,417.96/23,982.15 = 15,371.77/x
  3. Step 3: Cross multiply
    17,417.96x = 23,982.15 × 15,371.77
  4. Step 4: Simplify right side
    17,417.96x = 368,648,093.91
  5. Step 5: Solve for x
    x = 368,648,093.91/17,417.96
  6. Step 6: Final answer
    x = 21,164.83

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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.