Home / 15,292.11-21,101.87-8,576.82

Finding the Fourth Proportional to 15,292.11, 21,101.87 and 8,576.82

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Solution

The fourth proportional to 15,292.11, 21,101.87 and 8,576.82 is: 11,835.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292.11 : 21,101.87 = 8,576.82 : x
  2. Step 2: Convert to fraction form
    15,292.11/21,101.87 = 8,576.82/x
  3. Step 3: Cross multiply
    15,292.11x = 21,101.87 × 8,576.82
  4. Step 4: Simplify right side
    15,292.11x = 180,986,897.77
  5. Step 5: Solve for x
    x = 180,986,897.77/15,292.11
  6. Step 6: Final answer
    x = 11,835.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.