Home / 14,109.66-19,467.39-11,116.20

Finding the Fourth Proportional to 14,109.66, 19,467.39 and 11,116.20

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Solution

The fourth proportional to 14,109.66, 19,467.39 and 11,116.20 is: 15,337.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,109.66 : 19,467.39 = 11,116.20 : x
  2. Step 2: Convert to fraction form
    14,109.66/19,467.39 = 11,116.20/x
  3. Step 3: Cross multiply
    14,109.66x = 19,467.39 × 11,116.20
  4. Step 4: Simplify right side
    14,109.66x = 216,403,400.72
  5. Step 5: Solve for x
    x = 216,403,400.72/14,109.66
  6. Step 6: Final answer
    x = 15,337.25

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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.