Home / 14,669.68-20,217.72-10,684.48

Finding the Fourth Proportional to 14,669.68, 20,217.72 and 10,684.48

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Solution

The fourth proportional to 14,669.68, 20,217.72 and 10,684.48 is: 14,725.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,669.68 : 20,217.72 = 10,684.48 : x
  2. Step 2: Convert to fraction form
    14,669.68/20,217.72 = 10,684.48/x
  3. Step 3: Cross multiply
    14,669.68x = 20,217.72 × 10,684.48
  4. Step 4: Simplify right side
    14,669.68x = 216,015,824.99
  5. Step 5: Solve for x
    x = 216,015,824.99/14,669.68
  6. Step 6: Final answer
    x = 14,725.33

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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.