Home / 18,732.90-25,851.36-10,774.94

Finding the Fourth Proportional to 18,732.90, 25,851.36 and 10,774.94

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Solution

The fourth proportional to 18,732.90, 25,851.36 and 10,774.94 is: 14,869.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732.90 : 25,851.36 = 10,774.94 : x
  2. Step 2: Convert to fraction form
    18,732.90/25,851.36 = 10,774.94/x
  3. Step 3: Cross multiply
    18,732.90x = 25,851.36 × 10,774.94
  4. Step 4: Simplify right side
    18,732.90x = 278,546,852.92
  5. Step 5: Solve for x
    x = 278,546,852.92/18,732.90
  6. Step 6: Final answer
    x = 14,869.39

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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.