Home / 20,584.08-30,876.16-5,001.72

Finding the Fourth Proportional to 20,584.08, 30,876.16 and 5,001.72

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Solution

The fourth proportional to 20,584.08, 30,876.16 and 5,001.72 is: 7,502.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584.08 : 30,876.16 = 5,001.72 : x
  2. Step 2: Convert to fraction form
    20,584.08/30,876.16 = 5,001.72/x
  3. Step 3: Cross multiply
    20,584.08x = 30,876.16 × 5,001.72
  4. Step 4: Simplify right side
    20,584.08x = 154,433,907.00
  5. Step 5: Solve for x
    x = 154,433,907.00/20,584.08
  6. Step 6: Final answer
    x = 7,502.59

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1.5x scale

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.