Home / 16,570.43-22,872.07-9,860.79

Finding the Fourth Proportional to 16,570.43, 22,872.07 and 9,860.79

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Solution

The fourth proportional to 16,570.43, 22,872.07 and 9,860.79 is: 13,610.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,570.43 : 22,872.07 = 9,860.79 : x
  2. Step 2: Convert to fraction form
    16,570.43/22,872.07 = 9,860.79/x
  3. Step 3: Cross multiply
    16,570.43x = 22,872.07 × 9,860.79
  4. Step 4: Simplify right side
    16,570.43x = 225,536,679.14
  5. Step 5: Solve for x
    x = 225,536,679.14/16,570.43
  6. Step 6: Final answer
    x = 13,610.79

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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.