Home / 13,797.78-19,044.96-9,018.42

Finding the Fourth Proportional to 13,797.78, 19,044.96 and 9,018.42

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Solution

The fourth proportional to 13,797.78, 19,044.96 and 9,018.42 is: 12,448.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.78 : 19,044.96 = 9,018.42 : x
  2. Step 2: Convert to fraction form
    13,797.78/19,044.96 = 9,018.42/x
  3. Step 3: Cross multiply
    13,797.78x = 19,044.96 × 9,018.42
  4. Step 4: Simplify right side
    13,797.78x = 171,755,448.16
  5. Step 5: Solve for x
    x = 171,755,448.16/13,797.78
  6. Step 6: Final answer
    x = 12,448.05

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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.