Home / 13,798.81-20,691.87-4,437.10

Finding the Fourth Proportional to 13,798.81, 20,691.87 and 4,437.10

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Solution

The fourth proportional to 13,798.81, 20,691.87 and 4,437.10 is: 6,653.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.81 : 20,691.87 = 4,437.10 : x
  2. Step 2: Convert to fraction form
    13,798.81/20,691.87 = 4,437.10/x
  3. Step 3: Cross multiply
    13,798.81x = 20,691.87 × 4,437.10
  4. Step 4: Simplify right side
    13,798.81x = 91,811,896.38
  5. Step 5: Solve for x
    x = 91,811,896.38/13,798.81
  6. Step 6: Final answer
    x = 6,653.61

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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.