Home / 17,178.16-23,753.58-13,635.22

Finding the Fourth Proportional to 17,178.16, 23,753.58 and 13,635.22

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Solution

The fourth proportional to 17,178.16, 23,753.58 and 13,635.22 is: 18,854.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178.16 : 23,753.58 = 13,635.22 : x
  2. Step 2: Convert to fraction form
    17,178.16/23,753.58 = 13,635.22/x
  3. Step 3: Cross multiply
    17,178.16x = 23,753.58 × 13,635.22
  4. Step 4: Simplify right side
    17,178.16x = 323,885,289.09
  5. Step 5: Solve for x
    x = 323,885,289.09/17,178.16
  6. Step 6: Final answer
    x = 18,854.48

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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.