Home / 14,582.30-21,876.90-4,721.56

Finding the Fourth Proportional to 14,582.30, 21,876.90 and 4,721.56

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Solution

The fourth proportional to 14,582.30, 21,876.90 and 4,721.56 is: 7,083.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,582.30 : 21,876.90 = 4,721.56 : x
  2. Step 2: Convert to fraction form
    14,582.30/21,876.90 = 4,721.56/x
  3. Step 3: Cross multiply
    14,582.30x = 21,876.90 × 4,721.56
  4. Step 4: Simplify right side
    14,582.30x = 103,293,095.96
  5. Step 5: Solve for x
    x = 103,293,095.96/14,582.30
  6. Step 6: Final answer
    x = 7,083.46

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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.