Home / 21,770.70-32,662.28-10,680.59

Finding the Fourth Proportional to 21,770.70, 32,662.28 and 10,680.59

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Solution

The fourth proportional to 21,770.70, 32,662.28 and 10,680.59 is: 16,023.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,770.70 : 32,662.28 = 10,680.59 : x
  2. Step 2: Convert to fraction form
    21,770.70/32,662.28 = 10,680.59/x
  3. Step 3: Cross multiply
    21,770.70x = 32,662.28 × 10,680.59
  4. Step 4: Simplify right side
    21,770.70x = 348,852,204.43
  5. Step 5: Solve for x
    x = 348,852,204.43/21,770.70
  6. Step 6: Final answer
    x = 16,023.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.