Home / 14,245.82-21,368.74-3,715.83

Finding the Fourth Proportional to 14,245.82, 21,368.74 and 3,715.83

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Solution

The fourth proportional to 14,245.82, 21,368.74 and 3,715.83 is: 5,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.82 : 21,368.74 = 3,715.83 : x
  2. Step 2: Convert to fraction form
    14,245.82/21,368.74 = 3,715.83/x
  3. Step 3: Cross multiply
    14,245.82x = 21,368.74 × 3,715.83
  4. Step 4: Simplify right side
    14,245.82x = 79,402,498.31
  5. Step 5: Solve for x
    x = 79,402,498.31/14,245.82
  6. Step 6: Final answer
    x = 5,573.74

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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.