Home / 13,325.21-19,981.14-4,437.41

Finding the Fourth Proportional to 13,325.21, 19,981.14 and 4,437.41

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Solution

The fourth proportional to 13,325.21, 19,981.14 and 4,437.41 is: 6,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.21 : 19,981.14 = 4,437.41 : x
  2. Step 2: Convert to fraction form
    13,325.21/19,981.14 = 4,437.41/x
  3. Step 3: Cross multiply
    13,325.21x = 19,981.14 × 4,437.41
  4. Step 4: Simplify right side
    13,325.21x = 88,664,506.30
  5. Step 5: Solve for x
    x = 88,664,506.30/13,325.21
  6. Step 6: Final answer
    x = 6,653.89

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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.