Home / 14,228.34-21,345.24-5,462.56

Finding the Fourth Proportional to 14,228.34, 21,345.24 and 5,462.56

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Solution

The fourth proportional to 14,228.34, 21,345.24 and 5,462.56 is: 8,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.34 : 21,345.24 = 5,462.56 : x
  2. Step 2: Convert to fraction form
    14,228.34/21,345.24 = 5,462.56/x
  3. Step 3: Cross multiply
    14,228.34x = 21,345.24 × 5,462.56
  4. Step 4: Simplify right side
    14,228.34x = 116,599,654.21
  5. Step 5: Solve for x
    x = 116,599,654.21/14,228.34
  6. Step 6: Final answer
    x = 8,194.89

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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.