Home / 25,461.79-38,183.56-8,817.35

Finding the Fourth Proportional to 25,461.79, 38,183.56 and 8,817.35

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Solution

The fourth proportional to 25,461.79, 38,183.56 and 8,817.35 is: 13,222.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,461.79 : 38,183.56 = 8,817.35 : x
  2. Step 2: Convert to fraction form
    25,461.79/38,183.56 = 8,817.35/x
  3. Step 3: Cross multiply
    25,461.79x = 38,183.56 × 8,817.35
  4. Step 4: Simplify right side
    25,461.79x = 336,677,812.77
  5. Step 5: Solve for x
    x = 336,677,812.77/25,461.79
  6. Step 6: Final answer
    x = 13,222.87

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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.