Home / 21,861.42-32,792.14-10,160.98

Finding the Fourth Proportional to 21,861.42, 32,792.14 and 10,160.98

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Solution

The fourth proportional to 21,861.42, 32,792.14 and 10,160.98 is: 15,241.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,861.42 : 32,792.14 = 10,160.98 : x
  2. Step 2: Convert to fraction form
    21,861.42/32,792.14 = 10,160.98/x
  3. Step 3: Cross multiply
    21,861.42x = 32,792.14 × 10,160.98
  4. Step 4: Simplify right side
    21,861.42x = 333,200,278.70
  5. Step 5: Solve for x
    x = 333,200,278.70/21,861.42
  6. Step 6: Final answer
    x = 15,241.47

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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.