Home / 13,076.68-19,615.24-5,681.14

Finding the Fourth Proportional to 13,076.68, 19,615.24 and 5,681.14

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Solution

The fourth proportional to 13,076.68, 19,615.24 and 5,681.14 is: 8,521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.68 : 19,615.24 = 5,681.14 : x
  2. Step 2: Convert to fraction form
    13,076.68/19,615.24 = 5,681.14/x
  3. Step 3: Cross multiply
    13,076.68x = 19,615.24 × 5,681.14
  4. Step 4: Simplify right side
    13,076.68x = 111,436,910.22
  5. Step 5: Solve for x
    x = 111,436,910.22/13,076.68
  6. Step 6: Final answer
    x = 8,521.80

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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.