Home / 17,918.52-26,878.32-6,072.12

Finding the Fourth Proportional to 17,918.52, 26,878.32 and 6,072.12

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Solution

The fourth proportional to 17,918.52, 26,878.32 and 6,072.12 is: 9,108.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.52 : 26,878.32 = 6,072.12 : x
  2. Step 2: Convert to fraction form
    17,918.52/26,878.32 = 6,072.12/x
  3. Step 3: Cross multiply
    17,918.52x = 26,878.32 × 6,072.12
  4. Step 4: Simplify right side
    17,918.52x = 163,208,384.44
  5. Step 5: Solve for x
    x = 163,208,384.44/17,918.52
  6. Step 6: Final answer
    x = 9,108.36

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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.