Home / 19,957.45-29,927.49-5,722.79

Finding the Fourth Proportional to 19,957.45, 29,927.49 and 5,722.79

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Solution

The fourth proportional to 19,957.45, 29,927.49 and 5,722.79 is: 8,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.45 : 29,927.49 = 5,722.79 : x
  2. Step 2: Convert to fraction form
    19,957.45/29,927.49 = 5,722.79/x
  3. Step 3: Cross multiply
    19,957.45x = 29,927.49 × 5,722.79
  4. Step 4: Simplify right side
    19,957.45x = 171,268,653.57
  5. Step 5: Solve for x
    x = 171,268,653.57/19,957.45
  6. Step 6: Final answer
    x = 8,581.69

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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.