Home / 16,242.65-22,415.21-9,169.23

Finding the Fourth Proportional to 16,242.65, 22,415.21 and 9,169.23

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Solution

The fourth proportional to 16,242.65, 22,415.21 and 9,169.23 is: 12,653.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,242.65 : 22,415.21 = 9,169.23 : x
  2. Step 2: Convert to fraction form
    16,242.65/22,415.21 = 9,169.23/x
  3. Step 3: Cross multiply
    16,242.65x = 22,415.21 × 9,169.23
  4. Step 4: Simplify right side
    16,242.65x = 205,530,215.99
  5. Step 5: Solve for x
    x = 205,530,215.99/16,242.65
  6. Step 6: Final answer
    x = 12,653.74

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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.