Home / 13,551.36-20,329.53-6,156.37

Finding the Fourth Proportional to 13,551.36, 20,329.53 and 6,156.37

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Solution

The fourth proportional to 13,551.36, 20,329.53 and 6,156.37 is: 9,235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551.36 : 20,329.53 = 6,156.37 : x
  2. Step 2: Convert to fraction form
    13,551.36/20,329.53 = 6,156.37/x
  3. Step 3: Cross multiply
    13,551.36x = 20,329.53 × 6,156.37
  4. Step 4: Simplify right side
    13,551.36x = 125,156,108.61
  5. Step 5: Solve for x
    x = 125,156,108.61/13,551.36
  6. Step 6: Final answer
    x = 9,235.69

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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.