Home / 14,122.22-19,479.15-11,816.15

Finding the Fourth Proportional to 14,122.22, 19,479.15 and 11,816.15

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Solution

The fourth proportional to 14,122.22, 19,479.15 and 11,816.15 is: 16,298.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.22 : 19,479.15 = 11,816.15 : x
  2. Step 2: Convert to fraction form
    14,122.22/19,479.15 = 11,816.15/x
  3. Step 3: Cross multiply
    14,122.22x = 19,479.15 × 11,816.15
  4. Step 4: Simplify right side
    14,122.22x = 230,168,460.88
  5. Step 5: Solve for x
    x = 230,168,460.88/14,122.22
  6. Step 6: Final answer
    x = 16,298.33

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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.