Home / 19,521.77-29,283.93-7,833.47

Finding the Fourth Proportional to 19,521.77, 29,283.93 and 7,833.47

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Solution

The fourth proportional to 19,521.77, 29,283.93 and 7,833.47 is: 11,750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521.77 : 29,283.93 = 7,833.47 : x
  2. Step 2: Convert to fraction form
    19,521.77/29,283.93 = 7,833.47/x
  3. Step 3: Cross multiply
    19,521.77x = 29,283.93 × 7,833.47
  4. Step 4: Simplify right side
    19,521.77x = 229,394,640.72
  5. Step 5: Solve for x
    x = 229,394,640.72/19,521.77
  6. Step 6: Final answer
    x = 11,750.71

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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.