Home / 17,078.34-23,568.13-9,421.44

Finding the Fourth Proportional to 17,078.34, 23,568.13 and 9,421.44

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Solution

The fourth proportional to 17,078.34, 23,568.13 and 9,421.44 is: 13,001.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,078.34 : 23,568.13 = 9,421.44 : x
  2. Step 2: Convert to fraction form
    17,078.34/23,568.13 = 9,421.44/x
  3. Step 3: Cross multiply
    17,078.34x = 23,568.13 × 9,421.44
  4. Step 4: Simplify right side
    17,078.34x = 222,045,557.76
  5. Step 5: Solve for x
    x = 222,045,557.76/17,078.34
  6. Step 6: Final answer
    x = 13,001.59

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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.