Home / 19,162.62-26,440.45-11,203.30

Finding the Fourth Proportional to 19,162.62, 26,440.45 and 11,203.30

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Solution

The fourth proportional to 19,162.62, 26,440.45 and 11,203.30 is: 15,458.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162.62 : 26,440.45 = 11,203.30 : x
  2. Step 2: Convert to fraction form
    19,162.62/26,440.45 = 11,203.30/x
  3. Step 3: Cross multiply
    19,162.62x = 26,440.45 × 11,203.30
  4. Step 4: Simplify right side
    19,162.62x = 296,220,293.49
  5. Step 5: Solve for x
    x = 296,220,293.49/19,162.62
  6. Step 6: Final answer
    x = 15,458.24

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Double scale
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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.