Home / 25,345.08-37,982.10-12,003.96

Finding the Fourth Proportional to 25,345.08, 37,982.10 and 12,003.96

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Solution

The fourth proportional to 25,345.08, 37,982.10 and 12,003.96 is: 17,989.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.08 : 37,982.10 = 12,003.96 : x
  2. Step 2: Convert to fraction form
    25,345.08/37,982.10 = 12,003.96/x
  3. Step 3: Cross multiply
    25,345.08x = 37,982.10 × 12,003.96
  4. Step 4: Simplify right side
    25,345.08x = 455,935,609.12
  5. Step 5: Solve for x
    x = 455,935,609.12/25,345.08
  6. Step 6: Final answer
    x = 17,989.12

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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.