Home / 22,878.28-31,591.73-14,394.54

Finding the Fourth Proportional to 22,878.28, 31,591.73 and 14,394.54

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Solution

The fourth proportional to 22,878.28, 31,591.73 and 14,394.54 is: 19,876.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,878.28 : 31,591.73 = 14,394.54 : x
  2. Step 2: Convert to fraction form
    22,878.28/31,591.73 = 14,394.54/x
  3. Step 3: Cross multiply
    22,878.28x = 31,591.73 × 14,394.54
  4. Step 4: Simplify right side
    22,878.28x = 454,748,421.15
  5. Step 5: Solve for x
    x = 454,748,421.15/22,878.28
  6. Step 6: Final answer
    x = 19,876.86

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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.