Home / 16,661.79-22,987.38-10,696.68

Finding the Fourth Proportional to 16,661.79, 22,987.38 and 10,696.68

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Solution

The fourth proportional to 16,661.79, 22,987.38 and 10,696.68 is: 14,757.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.79 : 22,987.38 = 10,696.68 : x
  2. Step 2: Convert to fraction form
    16,661.79/22,987.38 = 10,696.68/x
  3. Step 3: Cross multiply
    16,661.79x = 22,987.38 × 10,696.68
  4. Step 4: Simplify right side
    16,661.79x = 245,888,647.90
  5. Step 5: Solve for x
    x = 245,888,647.90/16,661.79
  6. Step 6: Final answer
    x = 14,757.64

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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.