Home / 13,056.92-19,581.24-4,289.80

Finding the Fourth Proportional to 13,056.92, 19,581.24 and 4,289.80

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Solution

The fourth proportional to 13,056.92, 19,581.24 and 4,289.80 is: 6,433.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.92 : 19,581.24 = 4,289.80 : x
  2. Step 2: Convert to fraction form
    13,056.92/19,581.24 = 4,289.80/x
  3. Step 3: Cross multiply
    13,056.92x = 19,581.24 × 4,289.80
  4. Step 4: Simplify right side
    13,056.92x = 83,999,603.35
  5. Step 5: Solve for x
    x = 83,999,603.35/13,056.92
  6. Step 6: Final answer
    x = 6,433.34

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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.