Home / 17,385.38-26,080.84-6,290.96

Finding the Fourth Proportional to 17,385.38, 26,080.84 and 6,290.96

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Solution

The fourth proportional to 17,385.38, 26,080.84 and 6,290.96 is: 9,437.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,385.38 : 26,080.84 = 6,290.96 : x
  2. Step 2: Convert to fraction form
    17,385.38/26,080.84 = 6,290.96/x
  3. Step 3: Cross multiply
    17,385.38x = 26,080.84 × 6,290.96
  4. Step 4: Simplify right side
    17,385.38x = 164,073,521.21
  5. Step 5: Solve for x
    x = 164,073,521.21/17,385.38
  6. Step 6: Final answer
    x = 9,437.44

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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.