Home / 14,245.72-21,371.70-5,484.76

Finding the Fourth Proportional to 14,245.72, 21,371.70 and 5,484.76

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Solution

The fourth proportional to 14,245.72, 21,371.70 and 5,484.76 is: 8,228.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.72 : 21,371.70 = 5,484.76 : x
  2. Step 2: Convert to fraction form
    14,245.72/21,371.70 = 5,484.76/x
  3. Step 3: Cross multiply
    14,245.72x = 21,371.70 × 5,484.76
  4. Step 4: Simplify right side
    14,245.72x = 117,218,645.29
  5. Step 5: Solve for x
    x = 117,218,645.29/14,245.72
  6. Step 6: Final answer
    x = 8,228.34

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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.