Home / 13,252.54-19,875.73-3,890.04

Finding the Fourth Proportional to 13,252.54, 19,875.73 and 3,890.04

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Solution

The fourth proportional to 13,252.54, 19,875.73 and 3,890.04 is: 5,834.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.54 : 19,875.73 = 3,890.04 : x
  2. Step 2: Convert to fraction form
    13,252.54/19,875.73 = 3,890.04/x
  3. Step 3: Cross multiply
    13,252.54x = 19,875.73 × 3,890.04
  4. Step 4: Simplify right side
    13,252.54x = 77,317,434.42
  5. Step 5: Solve for x
    x = 77,317,434.42/13,252.54
  6. Step 6: Final answer
    x = 5,834.16

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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.