Home / 13,436.14-20,162.30-4,677.20

Finding the Fourth Proportional to 13,436.14, 20,162.30 and 4,677.20

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Solution

The fourth proportional to 13,436.14, 20,162.30 and 4,677.20 is: 7,018.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.14 : 20,162.30 = 4,677.20 : x
  2. Step 2: Convert to fraction form
    13,436.14/20,162.30 = 4,677.20/x
  3. Step 3: Cross multiply
    13,436.14x = 20,162.30 × 4,677.20
  4. Step 4: Simplify right side
    13,436.14x = 94,303,163.72
  5. Step 5: Solve for x
    x = 94,303,163.72/13,436.14
  6. Step 6: Final answer
    x = 7,018.62

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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.