Home / 17,174.34-23,702.49-9,621.90

Finding the Fourth Proportional to 17,174.34, 23,702.49 and 9,621.90

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Solution

The fourth proportional to 17,174.34, 23,702.49 and 9,621.90 is: 13,279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,174.34 : 23,702.49 = 9,621.90 : x
  2. Step 2: Convert to fraction form
    17,174.34/23,702.49 = 9,621.90/x
  3. Step 3: Cross multiply
    17,174.34x = 23,702.49 × 9,621.90
  4. Step 4: Simplify right side
    17,174.34x = 228,062,988.53
  5. Step 5: Solve for x
    x = 228,062,988.53/17,174.34
  6. Step 6: Final answer
    x = 13,279.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.