Home / 16,109.76-22,223.88-11,396.64

Finding the Fourth Proportional to 16,109.76, 22,223.88 and 11,396.64

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Solution

The fourth proportional to 16,109.76, 22,223.88 and 11,396.64 is: 15,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,109.76 : 22,223.88 = 11,396.64 : x
  2. Step 2: Convert to fraction form
    16,109.76/22,223.88 = 11,396.64/x
  3. Step 3: Cross multiply
    16,109.76x = 22,223.88 × 11,396.64
  4. Step 4: Simplify right side
    16,109.76x = 253,277,559.76
  5. Step 5: Solve for x
    x = 253,277,559.76/16,109.76
  6. Step 6: Final answer
    x = 15,721.99

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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.