Home / 17,175.15-23,703.21-9,621.36

Finding the Fourth Proportional to 17,175.15, 23,703.21 and 9,621.36

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Solution

The fourth proportional to 17,175.15, 23,703.21 and 9,621.36 is: 13,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,175.15 : 23,703.21 = 9,621.36 : x
  2. Step 2: Convert to fraction form
    17,175.15/23,703.21 = 9,621.36/x
  3. Step 3: Cross multiply
    17,175.15x = 23,703.21 × 9,621.36
  4. Step 4: Simplify right side
    17,175.15x = 228,057,116.57
  5. Step 5: Solve for x
    x = 228,057,116.57/17,175.15
  6. Step 6: Final answer
    x = 13,278.32

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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.