Home / 19,456.88-29,109.42-14,790.38

Finding the Fourth Proportional to 19,456.88, 29,109.42 and 14,790.38

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Solution

The fourth proportional to 19,456.88, 29,109.42 and 14,790.38 is: 22,127.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,456.88 : 29,109.42 = 14,790.38 : x
  2. Step 2: Convert to fraction form
    19,456.88/29,109.42 = 14,790.38/x
  3. Step 3: Cross multiply
    19,456.88x = 29,109.42 × 14,790.38
  4. Step 4: Simplify right side
    19,456.88x = 430,539,237.83
  5. Step 5: Solve for x
    x = 430,539,237.83/19,456.88
  6. Step 6: Final answer
    x = 22,127.87

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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.