Home / 15,091.89-22,639.86-5,735.39

Finding the Fourth Proportional to 15,091.89, 22,639.86 and 5,735.39

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Solution

The fourth proportional to 15,091.89, 22,639.86 and 5,735.39 is: 8,603.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,091.89 : 22,639.86 = 5,735.39 : x
  2. Step 2: Convert to fraction form
    15,091.89/22,639.86 = 5,735.39/x
  3. Step 3: Cross multiply
    15,091.89x = 22,639.86 × 5,735.39
  4. Step 4: Simplify right side
    15,091.89x = 129,848,313.45
  5. Step 5: Solve for x
    x = 129,848,313.45/15,091.89
  6. Step 6: Final answer
    x = 8,603.85

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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.