Home / 14,053.29-21,077.81-5,286.16

Finding the Fourth Proportional to 14,053.29, 21,077.81 and 5,286.16

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Solution

The fourth proportional to 14,053.29, 21,077.81 and 5,286.16 is: 7,928.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.29 : 21,077.81 = 5,286.16 : x
  2. Step 2: Convert to fraction form
    14,053.29/21,077.81 = 5,286.16/x
  3. Step 3: Cross multiply
    14,053.29x = 21,077.81 × 5,286.16
  4. Step 4: Simplify right side
    14,053.29x = 111,420,676.11
  5. Step 5: Solve for x
    x = 111,420,676.11/14,053.29
  6. Step 6: Final answer
    x = 7,928.44

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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.