Home / 15,101.46-22,610.16-7,689.96

Finding the Fourth Proportional to 15,101.46, 22,610.16 and 7,689.96

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Solution

The fourth proportional to 15,101.46, 22,610.16 and 7,689.96 is: 11,513.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,101.46 : 22,610.16 = 7,689.96 : x
  2. Step 2: Convert to fraction form
    15,101.46/22,610.16 = 7,689.96/x
  3. Step 3: Cross multiply
    15,101.46x = 22,610.16 × 7,689.96
  4. Step 4: Simplify right side
    15,101.46x = 173,871,225.99
  5. Step 5: Solve for x
    x = 173,871,225.99/15,101.46
  6. Step 6: Final answer
    x = 11,513.54

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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.