Home / 13,956.56-20,921.72-4,716.08

Finding the Fourth Proportional to 13,956.56, 20,921.72 and 4,716.08

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Solution

The fourth proportional to 13,956.56, 20,921.72 and 4,716.08 is: 7,069.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.56 : 20,921.72 = 4,716.08 : x
  2. Step 2: Convert to fraction form
    13,956.56/20,921.72 = 4,716.08/x
  3. Step 3: Cross multiply
    13,956.56x = 20,921.72 × 4,716.08
  4. Step 4: Simplify right side
    13,956.56x = 98,668,505.26
  5. Step 5: Solve for x
    x = 98,668,505.26/13,956.56
  6. Step 6: Final answer
    x = 7,069.69

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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.