Home / 17,174.90-23,701.74-9,621.79

Finding the Fourth Proportional to 17,174.90, 23,701.74 and 9,621.79

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Solution

The fourth proportional to 17,174.90, 23,701.74 and 9,621.79 is: 13,278.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,174.90 : 23,701.74 = 9,621.79 : x
  2. Step 2: Convert to fraction form
    17,174.90/23,701.74 = 9,621.79/x
  3. Step 3: Cross multiply
    17,174.90x = 23,701.74 × 9,621.79
  4. Step 4: Simplify right side
    17,174.90x = 228,053,164.91
  5. Step 5: Solve for x
    x = 228,053,164.91/17,174.90
  6. Step 6: Final answer
    x = 13,278.28

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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.