Home / 22,671.22-31,209.69-18,686.02

Finding the Fourth Proportional to 22,671.22, 31,209.69 and 18,686.02

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Solution

The fourth proportional to 22,671.22, 31,209.69 and 18,686.02 is: 25,723.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,671.22 : 31,209.69 = 18,686.02 : x
  2. Step 2: Convert to fraction form
    22,671.22/31,209.69 = 18,686.02/x
  3. Step 3: Cross multiply
    22,671.22x = 31,209.69 × 18,686.02
  4. Step 4: Simplify right side
    22,671.22x = 583,184,891.53
  5. Step 5: Solve for x
    x = 583,184,891.53/22,671.22
  6. Step 6: Final answer
    x = 25,723.58

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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.