Home / 14,615.21-21,909.67-5,253.03

Finding the Fourth Proportional to 14,615.21, 21,909.67 and 5,253.03

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Solution

The fourth proportional to 14,615.21, 21,909.67 and 5,253.03 is: 7,874.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.21 : 21,909.67 = 5,253.03 : x
  2. Step 2: Convert to fraction form
    14,615.21/21,909.67 = 5,253.03/x
  3. Step 3: Cross multiply
    14,615.21x = 21,909.67 × 5,253.03
  4. Step 4: Simplify right side
    14,615.21x = 115,092,140.67
  5. Step 5: Solve for x
    x = 115,092,140.67/14,615.21
  6. Step 6: Final answer
    x = 7,874.82

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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.