Home / 15,361.71-23,035.33-9,122.55

Finding the Fourth Proportional to 15,361.71, 23,035.33 and 9,122.55

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Solution

The fourth proportional to 15,361.71, 23,035.33 and 9,122.55 is: 13,679.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,361.71 : 23,035.33 = 9,122.55 : x
  2. Step 2: Convert to fraction form
    15,361.71/23,035.33 = 9,122.55/x
  3. Step 3: Cross multiply
    15,361.71x = 23,035.33 × 9,122.55
  4. Step 4: Simplify right side
    15,361.71x = 210,140,949.69
  5. Step 5: Solve for x
    x = 210,140,949.69/15,361.71
  6. Step 6: Final answer
    x = 13,679.53

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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.