Home / 19,918.82-29,878.23-6,588.23

Finding the Fourth Proportional to 19,918.82, 29,878.23 and 6,588.23

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Solution

The fourth proportional to 19,918.82, 29,878.23 and 6,588.23 is: 9,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.82 : 29,878.23 = 6,588.23 : x
  2. Step 2: Convert to fraction form
    19,918.82/29,878.23 = 6,588.23/x
  3. Step 3: Cross multiply
    19,918.82x = 29,878.23 × 6,588.23
  4. Step 4: Simplify right side
    19,918.82x = 196,844,618.29
  5. Step 5: Solve for x
    x = 196,844,618.29/19,918.82
  6. Step 6: Final answer
    x = 9,882.35

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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.