Home / 14,390.56-21,588.50-5,624.92

Finding the Fourth Proportional to 14,390.56, 21,588.50 and 5,624.92

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Solution

The fourth proportional to 14,390.56, 21,588.50 and 5,624.92 is: 8,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.56 : 21,588.50 = 5,624.92 : x
  2. Step 2: Convert to fraction form
    14,390.56/21,588.50 = 5,624.92/x
  3. Step 3: Cross multiply
    14,390.56x = 21,588.50 × 5,624.92
  4. Step 4: Simplify right side
    14,390.56x = 121,433,585.42
  5. Step 5: Solve for x
    x = 121,433,585.42/14,390.56
  6. Step 6: Final answer
    x = 8,438.42

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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.