Home / 14,053.17-21,077.63-5,286.03

Finding the Fourth Proportional to 14,053.17, 21,077.63 and 5,286.03

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Solution

The fourth proportional to 14,053.17, 21,077.63 and 5,286.03 is: 7,928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.17 : 21,077.63 = 5,286.03 : x
  2. Step 2: Convert to fraction form
    14,053.17/21,077.63 = 5,286.03/x
  3. Step 3: Cross multiply
    14,053.17x = 21,077.63 × 5,286.03
  4. Step 4: Simplify right side
    14,053.17x = 111,416,958.08
  5. Step 5: Solve for x
    x = 111,416,958.08/14,053.17
  6. Step 6: Final answer
    x = 7,928.24

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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.