Home / 23,104.94-31,877.43-13,671.68

Finding the Fourth Proportional to 23,104.94, 31,877.43 and 13,671.68

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Solution

The fourth proportional to 23,104.94, 31,877.43 and 13,671.68 is: 18,862.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,104.94 : 31,877.43 = 13,671.68 : x
  2. Step 2: Convert to fraction form
    23,104.94/31,877.43 = 13,671.68/x
  3. Step 3: Cross multiply
    23,104.94x = 31,877.43 × 13,671.68
  4. Step 4: Simplify right side
    23,104.94x = 435,818,022.18
  5. Step 5: Solve for x
    x = 435,818,022.18/23,104.94
  6. Step 6: Final answer
    x = 18,862.55

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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.