Home / 14,456.42-21,649.98-7,417.92

Finding the Fourth Proportional to 14,456.42, 21,649.98 and 7,417.92

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Solution

The fourth proportional to 14,456.42, 21,649.98 and 7,417.92 is: 11,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.42 : 21,649.98 = 7,417.92 : x
  2. Step 2: Convert to fraction form
    14,456.42/21,649.98 = 7,417.92/x
  3. Step 3: Cross multiply
    14,456.42x = 21,649.98 × 7,417.92
  4. Step 4: Simplify right side
    14,456.42x = 160,597,819.64
  5. Step 5: Solve for x
    x = 160,597,819.64/14,456.42
  6. Step 6: Final answer
    x = 11,109.10

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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.