Home / 21,591.50-29,809.24-14,152.46

Finding the Fourth Proportional to 21,591.50, 29,809.24 and 14,152.46

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Solution

The fourth proportional to 21,591.50, 29,809.24 and 14,152.46 is: 19,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591.50 : 29,809.24 = 14,152.46 : x
  2. Step 2: Convert to fraction form
    21,591.50/29,809.24 = 14,152.46/x
  3. Step 3: Cross multiply
    21,591.50x = 29,809.24 × 14,152.46
  4. Step 4: Simplify right side
    21,591.50x = 421,874,076.73
  5. Step 5: Solve for x
    x = 421,874,076.73/21,591.50
  6. Step 6: Final answer
    x = 19,538.90

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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.