Home / 13,912.97-19,194.34-8,875.58

Finding the Fourth Proportional to 13,912.97, 19,194.34 and 8,875.58

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Solution

The fourth proportional to 13,912.97, 19,194.34 and 8,875.58 is: 12,244.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912.97 : 19,194.34 = 8,875.58 : x
  2. Step 2: Convert to fraction form
    13,912.97/19,194.34 = 8,875.58/x
  3. Step 3: Cross multiply
    13,912.97x = 19,194.34 × 8,875.58
  4. Step 4: Simplify right side
    13,912.97x = 170,360,823.66
  5. Step 5: Solve for x
    x = 170,360,823.66/13,912.97
  6. Step 6: Final answer
    x = 12,244.75

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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.