Home / 22,800.16-34,207.60-7,006.40

Finding the Fourth Proportional to 22,800.16, 34,207.60 and 7,006.40

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Solution

The fourth proportional to 22,800.16, 34,207.60 and 7,006.40 is: 10,511.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,800.16 : 34,207.60 = 7,006.40 : x
  2. Step 2: Convert to fraction form
    22,800.16/34,207.60 = 7,006.40/x
  3. Step 3: Cross multiply
    22,800.16x = 34,207.60 × 7,006.40
  4. Step 4: Simplify right side
    22,800.16x = 239,672,128.64
  5. Step 5: Solve for x
    x = 239,672,128.64/22,800.16
  6. Step 6: Final answer
    x = 10,511.86

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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.