Home / 17,921.44-24,719.34-16,434.28

Finding the Fourth Proportional to 17,921.44, 24,719.34 and 16,434.28

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Solution

The fourth proportional to 17,921.44, 24,719.34 and 16,434.28 is: 22,668.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.44 : 24,719.34 = 16,434.28 : x
  2. Step 2: Convert to fraction form
    17,921.44/24,719.34 = 16,434.28/x
  3. Step 3: Cross multiply
    17,921.44x = 24,719.34 × 16,434.28
  4. Step 4: Simplify right side
    17,921.44x = 406,244,554.98
  5. Step 5: Solve for x
    x = 406,244,554.98/17,921.44
  6. Step 6: Final answer
    x = 22,668.08

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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.