Home / 16,660.79-22,986-10,695.68

Finding the Fourth Proportional to 16,660.79, 22,986 and 10,695.68

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Solution

The fourth proportional to 16,660.79, 22,986 and 10,695.68 is: 14,756.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.79 : 22,986 = 10,695.68 : x
  2. Step 2: Convert to fraction form
    16,660.79/22,986 = 10,695.68/x
  3. Step 3: Cross multiply
    16,660.79x = 22,986 × 10,695.68
  4. Step 4: Simplify right side
    16,660.79x = 245,850,900.48
  5. Step 5: Solve for x
    x = 245,850,900.48/16,660.79
  6. Step 6: Final answer
    x = 14,756.26

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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.