Home / 13,722.36-20,611.68-9,049.08

Finding the Fourth Proportional to 13,722.36, 20,611.68 and 9,049.08

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Solution

The fourth proportional to 13,722.36, 20,611.68 and 9,049.08 is: 13,592.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722.36 : 20,611.68 = 9,049.08 : x
  2. Step 2: Convert to fraction form
    13,722.36/20,611.68 = 9,049.08/x
  3. Step 3: Cross multiply
    13,722.36x = 20,611.68 × 9,049.08
  4. Step 4: Simplify right side
    13,722.36x = 186,516,741.25
  5. Step 5: Solve for x
    x = 186,516,741.25/13,722.36
  6. Step 6: Final answer
    x = 13,592.18

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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.