Home / 17,899.36-24,712.08-13,175.20

Finding the Fourth Proportional to 17,899.36, 24,712.08 and 13,175.20

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Solution

The fourth proportional to 17,899.36, 24,712.08 and 13,175.20 is: 18,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,899.36 : 24,712.08 = 13,175.20 : x
  2. Step 2: Convert to fraction form
    17,899.36/24,712.08 = 13,175.20/x
  3. Step 3: Cross multiply
    17,899.36x = 24,712.08 × 13,175.20
  4. Step 4: Simplify right side
    17,899.36x = 325,586,596.42
  5. Step 5: Solve for x
    x = 325,586,596.42/17,899.36
  6. Step 6: Final answer
    x = 18,189.85

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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.