Home / 25,495.56-38,220.66-9,909.54

Finding the Fourth Proportional to 25,495.56, 38,220.66 and 9,909.54

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Solution

The fourth proportional to 25,495.56, 38,220.66 and 9,909.54 is: 14,855.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,495.56 : 38,220.66 = 9,909.54 : x
  2. Step 2: Convert to fraction form
    25,495.56/38,220.66 = 9,909.54/x
  3. Step 3: Cross multiply
    25,495.56x = 38,220.66 × 9,909.54
  4. Step 4: Simplify right side
    25,495.56x = 378,749,159.10
  5. Step 5: Solve for x
    x = 378,749,159.10/25,495.56
  6. Step 6: Final answer
    x = 14,855.49

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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.