Home / 14,076.41-19,425.17-7,788.78

Finding the Fourth Proportional to 14,076.41, 19,425.17 and 7,788.78

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Solution

The fourth proportional to 14,076.41, 19,425.17 and 7,788.78 is: 10,748.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,076.41 : 19,425.17 = 7,788.78 : x
  2. Step 2: Convert to fraction form
    14,076.41/19,425.17 = 7,788.78/x
  3. Step 3: Cross multiply
    14,076.41x = 19,425.17 × 7,788.78
  4. Step 4: Simplify right side
    14,076.41x = 151,298,336.65
  5. Step 5: Solve for x
    x = 151,298,336.65/14,076.41
  6. Step 6: Final answer
    x = 10,748.36

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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.