Home / 17,385.42-23,991.86-9,427.64

Finding the Fourth Proportional to 17,385.42, 23,991.86 and 9,427.64

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Solution

The fourth proportional to 17,385.42, 23,991.86 and 9,427.64 is: 13,010.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,385.42 : 23,991.86 = 9,427.64 : x
  2. Step 2: Convert to fraction form
    17,385.42/23,991.86 = 9,427.64/x
  3. Step 3: Cross multiply
    17,385.42x = 23,991.86 × 9,427.64
  4. Step 4: Simplify right side
    17,385.42x = 226,186,522.62
  5. Step 5: Solve for x
    x = 226,186,522.62/17,385.42
  6. Step 6: Final answer
    x = 13,010.12

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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.