Home / 13,677.87-20,496.27-10,553.19

Finding the Fourth Proportional to 13,677.87, 20,496.27 and 10,553.19

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Solution

The fourth proportional to 13,677.87, 20,496.27 and 10,553.19 is: 15,813.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.87 : 20,496.27 = 10,553.19 : x
  2. Step 2: Convert to fraction form
    13,677.87/20,496.27 = 10,553.19/x
  3. Step 3: Cross multiply
    13,677.87x = 20,496.27 × 10,553.19
  4. Step 4: Simplify right side
    13,677.87x = 216,300,929.12
  5. Step 5: Solve for x
    x = 216,300,929.12/13,677.87
  6. Step 6: Final answer
    x = 15,813.94

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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.