Home / 19,204.89-28,813.28-9,851.55

Finding the Fourth Proportional to 19,204.89, 28,813.28 and 9,851.55

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Solution

The fourth proportional to 19,204.89, 28,813.28 and 9,851.55 is: 14,780.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,204.89 : 28,813.28 = 9,851.55 : x
  2. Step 2: Convert to fraction form
    19,204.89/28,813.28 = 9,851.55/x
  3. Step 3: Cross multiply
    19,204.89x = 28,813.28 × 9,851.55
  4. Step 4: Simplify right side
    19,204.89x = 283,855,419.33
  5. Step 5: Solve for x
    x = 283,855,419.33/19,204.89
  6. Step 6: Final answer
    x = 14,780.37

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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.