Home / 13,558.59-20,332.62-4,672.28

Finding the Fourth Proportional to 13,558.59, 20,332.62 and 4,672.28

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Solution

The fourth proportional to 13,558.59, 20,332.62 and 4,672.28 is: 7,006.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.59 : 20,332.62 = 4,672.28 : x
  2. Step 2: Convert to fraction form
    13,558.59/20,332.62 = 4,672.28/x
  3. Step 3: Cross multiply
    13,558.59x = 20,332.62 × 4,672.28
  4. Step 4: Simplify right side
    13,558.59x = 94,999,744.61
  5. Step 5: Solve for x
    x = 94,999,744.61/13,558.59
  6. Step 6: Final answer
    x = 7,006.61

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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.