Home / 17,678.42-24,396.02-9,720.58

Finding the Fourth Proportional to 17,678.42, 24,396.02 and 9,720.58

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Solution

The fourth proportional to 17,678.42, 24,396.02 and 9,720.58 is: 13,414.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,678.42 : 24,396.02 = 9,720.58 : x
  2. Step 2: Convert to fraction form
    17,678.42/24,396.02 = 9,720.58/x
  3. Step 3: Cross multiply
    17,678.42x = 24,396.02 × 9,720.58
  4. Step 4: Simplify right side
    17,678.42x = 237,143,464.09
  5. Step 5: Solve for x
    x = 237,143,464.09/17,678.42
  6. Step 6: Final answer
    x = 13,414.29

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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.