Home / 20,119.61-27,792.57-16,338.53

Finding the Fourth Proportional to 20,119.61, 27,792.57 and 16,338.53

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Solution

The fourth proportional to 20,119.61, 27,792.57 and 16,338.53 is: 22,569.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119.61 : 27,792.57 = 16,338.53 : x
  2. Step 2: Convert to fraction form
    20,119.61/27,792.57 = 16,338.53/x
  3. Step 3: Cross multiply
    20,119.61x = 27,792.57 × 16,338.53
  4. Step 4: Simplify right side
    20,119.61x = 454,089,599.76
  5. Step 5: Solve for x
    x = 454,089,599.76/20,119.61
  6. Step 6: Final answer
    x = 22,569.51

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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.