Home / 19,918.40-27,495.90-14,179.56

Finding the Fourth Proportional to 19,918.40, 27,495.90 and 14,179.56

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Solution

The fourth proportional to 19,918.40, 27,495.90 and 14,179.56 is: 19,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.40 : 27,495.90 = 14,179.56 : x
  2. Step 2: Convert to fraction form
    19,918.40/27,495.90 = 14,179.56/x
  3. Step 3: Cross multiply
    19,918.40x = 27,495.90 × 14,179.56
  4. Step 4: Simplify right side
    19,918.40x = 389,879,763.80
  5. Step 5: Solve for x
    x = 389,879,763.80/19,918.40
  6. Step 6: Final answer
    x = 19,573.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.