Home / 18,733.21-25,851.81-10,775.23

Finding the Fourth Proportional to 18,733.21, 25,851.81 and 10,775.23

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Solution

The fourth proportional to 18,733.21, 25,851.81 and 10,775.23 is: 14,869.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.21 : 25,851.81 = 10,775.23 : x
  2. Step 2: Convert to fraction form
    18,733.21/25,851.81 = 10,775.23/x
  3. Step 3: Cross multiply
    18,733.21x = 25,851.81 × 10,775.23
  4. Step 4: Simplify right side
    18,733.21x = 278,559,198.67
  5. Step 5: Solve for x
    x = 278,559,198.67/18,733.21
  6. Step 6: Final answer
    x = 14,869.81

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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.