Home / 17,018.72-23,497.44-13,882.40

Finding the Fourth Proportional to 17,018.72, 23,497.44 and 13,882.40

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Solution

The fourth proportional to 17,018.72, 23,497.44 and 13,882.40 is: 19,167.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,018.72 : 23,497.44 = 13,882.40 : x
  2. Step 2: Convert to fraction form
    17,018.72/23,497.44 = 13,882.40/x
  3. Step 3: Cross multiply
    17,018.72x = 23,497.44 × 13,882.40
  4. Step 4: Simplify right side
    17,018.72x = 326,200,861.06
  5. Step 5: Solve for x
    x = 326,200,861.06/17,018.72
  6. Step 6: Final answer
    x = 19,167.18

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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.