Home / 19,721.18-29,581.95-6,573.50

Finding the Fourth Proportional to 19,721.18, 29,581.95 and 6,573.50

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Solution

The fourth proportional to 19,721.18, 29,581.95 and 6,573.50 is: 9,860.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721.18 : 29,581.95 = 6,573.50 : x
  2. Step 2: Convert to fraction form
    19,721.18/29,581.95 = 6,573.50/x
  3. Step 3: Cross multiply
    19,721.18x = 29,581.95 × 6,573.50
  4. Step 4: Simplify right side
    19,721.18x = 194,456,948.33
  5. Step 5: Solve for x
    x = 194,456,948.33/19,721.18
  6. Step 6: Final answer
    x = 9,860.31

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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.