Home / 19,326.87-29,121.93-15,893.78

Finding the Fourth Proportional to 19,326.87, 29,121.93 and 15,893.78

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Solution

The fourth proportional to 19,326.87, 29,121.93 and 15,893.78 is: 23,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.87 : 29,121.93 = 15,893.78 : x
  2. Step 2: Convert to fraction form
    19,326.87/29,121.93 = 15,893.78/x
  3. Step 3: Cross multiply
    19,326.87x = 29,121.93 × 15,893.78
  4. Step 4: Simplify right side
    19,326.87x = 462,857,402.99
  5. Step 5: Solve for x
    x = 462,857,402.99/19,326.87
  6. Step 6: Final answer
    x = 23,948.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.