Home / 15,201.89-22,806.35-4,813.64

Finding the Fourth Proportional to 15,201.89, 22,806.35 and 4,813.64

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Solution

The fourth proportional to 15,201.89, 22,806.35 and 4,813.64 is: 7,221.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,201.89 : 22,806.35 = 4,813.64 : x
  2. Step 2: Convert to fraction form
    15,201.89/22,806.35 = 4,813.64/x
  3. Step 3: Cross multiply
    15,201.89x = 22,806.35 × 4,813.64
  4. Step 4: Simplify right side
    15,201.89x = 109,781,420.51
  5. Step 5: Solve for x
    x = 109,781,420.51/15,201.89
  6. Step 6: Final answer
    x = 7,221.57

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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.