Home / 21,584.96-29,787.76-14,132.96

Finding the Fourth Proportional to 21,584.96, 29,787.76 and 14,132.96

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Solution

The fourth proportional to 21,584.96, 29,787.76 and 14,132.96 is: 19,503.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584.96 : 29,787.76 = 14,132.96 : x
  2. Step 2: Convert to fraction form
    21,584.96/29,787.76 = 14,132.96/x
  3. Step 3: Cross multiply
    21,584.96x = 29,787.76 × 14,132.96
  4. Step 4: Simplify right side
    21,584.96x = 420,989,220.57
  5. Step 5: Solve for x
    x = 420,989,220.57/21,584.96
  6. Step 6: Final answer
    x = 19,503.82

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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.