Home / 17,380.12-26,063.64-7,518.64

Finding the Fourth Proportional to 17,380.12, 26,063.64 and 7,518.64

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Solution

The fourth proportional to 17,380.12, 26,063.64 and 7,518.64 is: 11,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,380.12 : 26,063.64 = 7,518.64 : x
  2. Step 2: Convert to fraction form
    17,380.12/26,063.64 = 7,518.64/x
  3. Step 3: Cross multiply
    17,380.12x = 26,063.64 × 7,518.64
  4. Step 4: Simplify right side
    17,380.12x = 195,963,126.25
  5. Step 5: Solve for x
    x = 195,963,126.25/17,380.12
  6. Step 6: Final answer
    x = 11,275.13

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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.