Home / 15,299.89-22,948.72-4,205.72

Finding the Fourth Proportional to 15,299.89, 22,948.72 and 4,205.72

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Solution

The fourth proportional to 15,299.89, 22,948.72 and 4,205.72 is: 6,308.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,299.89 : 22,948.72 = 4,205.72 : x
  2. Step 2: Convert to fraction form
    15,299.89/22,948.72 = 4,205.72/x
  3. Step 3: Cross multiply
    15,299.89x = 22,948.72 × 4,205.72
  4. Step 4: Simplify right side
    15,299.89x = 96,515,937.54
  5. Step 5: Solve for x
    x = 96,515,937.54/15,299.89
  6. Step 6: Final answer
    x = 6,308.28

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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.