Home / 13,851.48-19,115.82-7,564.44

Finding the Fourth Proportional to 13,851.48, 19,115.82 and 7,564.44

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Solution

The fourth proportional to 13,851.48, 19,115.82 and 7,564.44 is: 10,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.48 : 19,115.82 = 7,564.44 : x
  2. Step 2: Convert to fraction form
    13,851.48/19,115.82 = 7,564.44/x
  3. Step 3: Cross multiply
    13,851.48x = 19,115.82 × 7,564.44
  4. Step 4: Simplify right side
    13,851.48x = 144,600,473.44
  5. Step 5: Solve for x
    x = 144,600,473.44/13,851.48
  6. Step 6: Final answer
    x = 10,439.35

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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.