Home / 14,582.50-21,871.38-5,220.91

Finding the Fourth Proportional to 14,582.50, 21,871.38 and 5,220.91

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Solution

The fourth proportional to 14,582.50, 21,871.38 and 5,220.91 is: 7,830.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,582.50 : 21,871.38 = 5,220.91 : x
  2. Step 2: Convert to fraction form
    14,582.50/21,871.38 = 5,220.91/x
  3. Step 3: Cross multiply
    14,582.50x = 21,871.38 × 5,220.91
  4. Step 4: Simplify right side
    14,582.50x = 114,188,506.56
  5. Step 5: Solve for x
    x = 114,188,506.56/14,582.50
  6. Step 6: Final answer
    x = 7,830.52

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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.