Home / 13,423.52-20,118.27-7,583.42

Finding the Fourth Proportional to 13,423.52, 20,118.27 and 7,583.42

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Solution

The fourth proportional to 13,423.52, 20,118.27 and 7,583.42 is: 11,365.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.52 : 20,118.27 = 7,583.42 : x
  2. Step 2: Convert to fraction form
    13,423.52/20,118.27 = 7,583.42/x
  3. Step 3: Cross multiply
    13,423.52x = 20,118.27 × 7,583.42
  4. Step 4: Simplify right side
    13,423.52x = 152,565,291.08
  5. Step 5: Solve for x
    x = 152,565,291.08/13,423.52
  6. Step 6: Final answer
    x = 11,365.52

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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.