Home / 16,966.90-23,418.62-10,921.24

Finding the Fourth Proportional to 16,966.90, 23,418.62 and 10,921.24

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Solution

The fourth proportional to 16,966.90, 23,418.62 and 10,921.24 is: 15,074.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966.90 : 23,418.62 = 10,921.24 : x
  2. Step 2: Convert to fraction form
    16,966.90/23,418.62 = 10,921.24/x
  3. Step 3: Cross multiply
    16,966.90x = 23,418.62 × 10,921.24
  4. Step 4: Simplify right side
    16,966.90x = 255,760,369.49
  5. Step 5: Solve for x
    x = 255,760,369.49/16,966.90
  6. Step 6: Final answer
    x = 15,074.08

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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.