Home / 25,516.24-38,257.74-8,875

Finding the Fourth Proportional to 25,516.24, 38,257.74 and 8,875

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Solution

The fourth proportional to 25,516.24, 38,257.74 and 8,875 is: 13,306.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,516.24 : 38,257.74 = 8,875 : x
  2. Step 2: Convert to fraction form
    25,516.24/38,257.74 = 8,875/x
  3. Step 3: Cross multiply
    25,516.24x = 38,257.74 × 8,875
  4. Step 4: Simplify right side
    25,516.24x = 339,537,442.50
  5. Step 5: Solve for x
    x = 339,537,442.50/25,516.24
  6. Step 6: Final answer
    x = 13,306.72

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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.