Home / 13,472.76-18,609.84-11,603.28

Finding the Fourth Proportional to 13,472.76, 18,609.84 and 11,603.28

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Solution

The fourth proportional to 13,472.76, 18,609.84 and 11,603.28 is: 16,027.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.76 : 18,609.84 = 11,603.28 : x
  2. Step 2: Convert to fraction form
    13,472.76/18,609.84 = 11,603.28/x
  3. Step 3: Cross multiply
    13,472.76x = 18,609.84 × 11,603.28
  4. Step 4: Simplify right side
    13,472.76x = 215,935,184.28
  5. Step 5: Solve for x
    x = 215,935,184.28/13,472.76
  6. Step 6: Final answer
    x = 16,027.54

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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.