Home / 15,562.37-21,469.11-9,591.86

Finding the Fourth Proportional to 15,562.37, 21,469.11 and 9,591.86

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Solution

The fourth proportional to 15,562.37, 21,469.11 and 9,591.86 is: 13,232.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562.37 : 21,469.11 = 9,591.86 : x
  2. Step 2: Convert to fraction form
    15,562.37/21,469.11 = 9,591.86/x
  3. Step 3: Cross multiply
    15,562.37x = 21,469.11 × 9,591.86
  4. Step 4: Simplify right side
    15,562.37x = 205,928,590.10
  5. Step 5: Solve for x
    x = 205,928,590.10/15,562.37
  6. Step 6: Final answer
    x = 13,232.47

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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.