Home / 17,218.80-25,803.56-9,807.96

Finding the Fourth Proportional to 17,218.80, 25,803.56 and 9,807.96

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Solution

The fourth proportional to 17,218.80, 25,803.56 and 9,807.96 is: 14,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218.80 : 25,803.56 = 9,807.96 : x
  2. Step 2: Convert to fraction form
    17,218.80/25,803.56 = 9,807.96/x
  3. Step 3: Cross multiply
    17,218.80x = 25,803.56 × 9,807.96
  4. Step 4: Simplify right side
    17,218.80x = 253,080,284.34
  5. Step 5: Solve for x
    x = 253,080,284.34/17,218.80
  6. Step 6: Final answer
    x = 14,697.90

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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.