Home / 19,774.18-29,628.44-13,918.48

Finding the Fourth Proportional to 19,774.18, 29,628.44 and 13,918.48

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Solution

The fourth proportional to 19,774.18, 29,628.44 and 13,918.48 is: 20,854.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,774.18 : 29,628.44 = 13,918.48 : x
  2. Step 2: Convert to fraction form
    19,774.18/29,628.44 = 13,918.48/x
  3. Step 3: Cross multiply
    19,774.18x = 29,628.44 × 13,918.48
  4. Step 4: Simplify right side
    19,774.18x = 412,382,849.57
  5. Step 5: Solve for x
    x = 412,382,849.57/19,774.18
  6. Step 6: Final answer
    x = 20,854.61

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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.