Home / 15,666.62-23,499.77-12,566.07

Finding the Fourth Proportional to 15,666.62, 23,499.77 and 12,566.07

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Solution

The fourth proportional to 15,666.62, 23,499.77 and 12,566.07 is: 18,848.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,666.62 : 23,499.77 = 12,566.07 : x
  2. Step 2: Convert to fraction form
    15,666.62/23,499.77 = 12,566.07/x
  3. Step 3: Cross multiply
    15,666.62x = 23,499.77 × 12,566.07
  4. Step 4: Simplify right side
    15,666.62x = 295,299,691.97
  5. Step 5: Solve for x
    x = 295,299,691.97/15,666.62
  6. Step 6: Final answer
    x = 18,848.98

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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.