Home / 16,851.14-25,276.76-5,164.36

Finding the Fourth Proportional to 16,851.14, 25,276.76 and 5,164.36

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Solution

The fourth proportional to 16,851.14, 25,276.76 and 5,164.36 is: 7,746.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851.14 : 25,276.76 = 5,164.36 : x
  2. Step 2: Convert to fraction form
    16,851.14/25,276.76 = 5,164.36/x
  3. Step 3: Cross multiply
    16,851.14x = 25,276.76 × 5,164.36
  4. Step 4: Simplify right side
    16,851.14x = 130,538,218.63
  5. Step 5: Solve for x
    x = 130,538,218.63/16,851.14
  6. Step 6: Final answer
    x = 7,746.55

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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.