Home / 25,422.18-35,078.34-16,936.98

Finding the Fourth Proportional to 25,422.18, 35,078.34 and 16,936.98

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Solution

The fourth proportional to 25,422.18, 35,078.34 and 16,936.98 is: 23,370.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,422.18 : 35,078.34 = 16,936.98 : x
  2. Step 2: Convert to fraction form
    25,422.18/35,078.34 = 16,936.98/x
  3. Step 3: Cross multiply
    25,422.18x = 35,078.34 × 16,936.98
  4. Step 4: Simplify right side
    25,422.18x = 594,121,143.01
  5. Step 5: Solve for x
    x = 594,121,143.01/25,422.18
  6. Step 6: Final answer
    x = 23,370.19

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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.