Home / 14,108.79-19,466.18-11,115.33

Finding the Fourth Proportional to 14,108.79, 19,466.18 and 11,115.33

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Solution

The fourth proportional to 14,108.79, 19,466.18 and 11,115.33 is: 15,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.79 : 19,466.18 = 11,115.33 : x
  2. Step 2: Convert to fraction form
    14,108.79/19,466.18 = 11,115.33/x
  3. Step 3: Cross multiply
    14,108.79x = 19,466.18 × 11,115.33
  4. Step 4: Simplify right side
    14,108.79x = 216,372,993.66
  5. Step 5: Solve for x
    x = 216,372,993.66/14,108.79
  6. Step 6: Final answer
    x = 15,336.05

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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.