Home / 13,092.28-19,643.63-4,772.86

Finding the Fourth Proportional to 13,092.28, 19,643.63 and 4,772.86

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Solution

The fourth proportional to 13,092.28, 19,643.63 and 4,772.86 is: 7,161.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.28 : 19,643.63 = 4,772.86 : x
  2. Step 2: Convert to fraction form
    13,092.28/19,643.63 = 4,772.86/x
  3. Step 3: Cross multiply
    13,092.28x = 19,643.63 × 4,772.86
  4. Step 4: Simplify right side
    13,092.28x = 93,756,222.91
  5. Step 5: Solve for x
    x = 93,756,222.91/13,092.28
  6. Step 6: Final answer
    x = 7,161.19

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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.