Home / 13,325.16-19,991.88-5,005.92

Finding the Fourth Proportional to 13,325.16, 19,991.88 and 5,005.92

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Solution

The fourth proportional to 13,325.16, 19,991.88 and 5,005.92 is: 7,510.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.16 : 19,991.88 = 5,005.92 : x
  2. Step 2: Convert to fraction form
    13,325.16/19,991.88 = 5,005.92/x
  3. Step 3: Cross multiply
    13,325.16x = 19,991.88 × 5,005.92
  4. Step 4: Simplify right side
    13,325.16x = 100,077,751.93
  5. Step 5: Solve for x
    x = 100,077,751.93/13,325.16
  6. Step 6: Final answer
    x = 7,510.44

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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.