Home / 17,580.32-26,372.65-6,487.06

Finding the Fourth Proportional to 17,580.32, 26,372.65 and 6,487.06

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Solution

The fourth proportional to 17,580.32, 26,372.65 and 6,487.06 is: 9,731.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,580.32 : 26,372.65 = 6,487.06 : x
  2. Step 2: Convert to fraction form
    17,580.32/26,372.65 = 6,487.06/x
  3. Step 3: Cross multiply
    17,580.32x = 26,372.65 × 6,487.06
  4. Step 4: Simplify right side
    17,580.32x = 171,080,962.91
  5. Step 5: Solve for x
    x = 171,080,962.91/17,580.32
  6. Step 6: Final answer
    x = 9,731.39

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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.