Home / 13,271.36-19,902.68-5,875.66

Finding the Fourth Proportional to 13,271.36, 19,902.68 and 5,875.66

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Solution

The fourth proportional to 13,271.36, 19,902.68 and 5,875.66 is: 8,811.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.36 : 19,902.68 = 5,875.66 : x
  2. Step 2: Convert to fraction form
    13,271.36/19,902.68 = 5,875.66/x
  3. Step 3: Cross multiply
    13,271.36x = 19,902.68 × 5,875.66
  4. Step 4: Simplify right side
    13,271.36x = 116,941,380.77
  5. Step 5: Solve for x
    x = 116,941,380.77/13,271.36
  6. Step 6: Final answer
    x = 8,811.56

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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.