Home / 22,273.88-33,421.79-10,428.45

Finding the Fourth Proportional to 22,273.88, 33,421.79 and 10,428.45

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Solution

The fourth proportional to 22,273.88, 33,421.79 and 10,428.45 is: 15,647.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,273.88 : 33,421.79 = 10,428.45 : x
  2. Step 2: Convert to fraction form
    22,273.88/33,421.79 = 10,428.45/x
  3. Step 3: Cross multiply
    22,273.88x = 33,421.79 × 10,428.45
  4. Step 4: Simplify right side
    22,273.88x = 348,537,452.89
  5. Step 5: Solve for x
    x = 348,537,452.89/22,273.88
  6. Step 6: Final answer
    x = 15,647.81

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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.