Home / 16,848.10-25,272.15-5,159.80

Finding the Fourth Proportional to 16,848.10, 25,272.15 and 5,159.80

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Solution

The fourth proportional to 16,848.10, 25,272.15 and 5,159.80 is: 7,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,848.10 : 25,272.15 = 5,159.80 : x
  2. Step 2: Convert to fraction form
    16,848.10/25,272.15 = 5,159.80/x
  3. Step 3: Cross multiply
    16,848.10x = 25,272.15 × 5,159.80
  4. Step 4: Simplify right side
    16,848.10x = 130,399,239.57
  5. Step 5: Solve for x
    x = 130,399,239.57/16,848.10
  6. Step 6: Final answer
    x = 7,739.70

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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.