Home / 18,732.21-25,850.43-10,774.23

Finding the Fourth Proportional to 18,732.21, 25,850.43 and 10,774.23

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Solution

The fourth proportional to 18,732.21, 25,850.43 and 10,774.23 is: 14,868.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732.21 : 25,850.43 = 10,774.23 : x
  2. Step 2: Convert to fraction form
    18,732.21/25,850.43 = 10,774.23/x
  3. Step 3: Cross multiply
    18,732.21x = 25,850.43 × 10,774.23
  4. Step 4: Simplify right side
    18,732.21x = 278,518,478.42
  5. Step 5: Solve for x
    x = 278,518,478.42/18,732.21
  6. Step 6: Final answer
    x = 14,868.43

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Find fourth proportional to 18,733.21, 25,851.81 and 10,775.23
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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.