Home / 22,454.41-30,989.97-18,671.07

Finding the Fourth Proportional to 22,454.41, 30,989.97 and 18,671.07

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Solution

The fourth proportional to 22,454.41, 30,989.97 and 18,671.07 is: 25,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,454.41 : 30,989.97 = 18,671.07 : x
  2. Step 2: Convert to fraction form
    22,454.41/30,989.97 = 18,671.07/x
  3. Step 3: Cross multiply
    22,454.41x = 30,989.97 × 18,671.07
  4. Step 4: Simplify right side
    22,454.41x = 578,615,899.17
  5. Step 5: Solve for x
    x = 578,615,899.17/22,454.41
  6. Step 6: Final answer
    x = 25,768.48

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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.