Home / 15,436.63-23,154.93-5,575.87

Finding the Fourth Proportional to 15,436.63, 23,154.93 and 5,575.87

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Solution

The fourth proportional to 15,436.63, 23,154.93 and 5,575.87 is: 8,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.63 : 23,154.93 = 5,575.87 : x
  2. Step 2: Convert to fraction form
    15,436.63/23,154.93 = 5,575.87/x
  3. Step 3: Cross multiply
    15,436.63x = 23,154.93 × 5,575.87
  4. Step 4: Simplify right side
    15,436.63x = 129,108,879.54
  5. Step 5: Solve for x
    x = 129,108,879.54/15,436.63
  6. Step 6: Final answer
    x = 8,363.80

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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.