Home / 25,506.56-38,237.04-9,920.48

Finding the Fourth Proportional to 25,506.56, 38,237.04 and 9,920.48

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Solution

The fourth proportional to 25,506.56, 38,237.04 and 9,920.48 is: 14,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,506.56 : 38,237.04 = 9,920.48 : x
  2. Step 2: Convert to fraction form
    25,506.56/38,237.04 = 9,920.48/x
  3. Step 3: Cross multiply
    25,506.56x = 38,237.04 × 9,920.48
  4. Step 4: Simplify right side
    25,506.56x = 379,329,790.58
  5. Step 5: Solve for x
    x = 379,329,790.58/25,506.56
  6. Step 6: Final answer
    x = 14,871.85

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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.