Home / 17,715.52-26,589.72-8,956.60

Finding the Fourth Proportional to 17,715.52, 26,589.72 and 8,956.60

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Solution

The fourth proportional to 17,715.52, 26,589.72 and 8,956.60 is: 13,443.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,715.52 : 26,589.72 = 8,956.60 : x
  2. Step 2: Convert to fraction form
    17,715.52/26,589.72 = 8,956.60/x
  3. Step 3: Cross multiply
    17,715.52x = 26,589.72 × 8,956.60
  4. Step 4: Simplify right side
    17,715.52x = 238,153,486.15
  5. Step 5: Solve for x
    x = 238,153,486.15/17,715.52
  6. Step 6: Final answer
    x = 13,443.21

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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.