Home / 25,817.63-38,651.22-19,183.53

Finding the Fourth Proportional to 25,817.63, 38,651.22 and 19,183.53

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Solution

The fourth proportional to 25,817.63, 38,651.22 and 19,183.53 is: 28,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,817.63 : 38,651.22 = 19,183.53 : x
  2. Step 2: Convert to fraction form
    25,817.63/38,651.22 = 19,183.53/x
  3. Step 3: Cross multiply
    25,817.63x = 38,651.22 × 19,183.53
  4. Step 4: Simplify right side
    25,817.63x = 741,466,838.41
  5. Step 5: Solve for x
    x = 741,466,838.41/25,817.63
  6. Step 6: Final answer
    x = 28,719.40

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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.