Home / 19,168.90-26,460.22-11,213.62

Finding the Fourth Proportional to 19,168.90, 26,460.22 and 11,213.62

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Solution

The fourth proportional to 19,168.90, 26,460.22 and 11,213.62 is: 15,478.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168.90 : 26,460.22 = 11,213.62 : x
  2. Step 2: Convert to fraction form
    19,168.90/26,460.22 = 11,213.62/x
  3. Step 3: Cross multiply
    19,168.90x = 26,460.22 × 11,213.62
  4. Step 4: Simplify right side
    19,168.90x = 296,714,852.20
  5. Step 5: Solve for x
    x = 296,714,852.20/19,168.90
  6. Step 6: Final answer
    x = 15,478.97

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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.