Home / 19,212.12-26,519.34-11,256.92

Finding the Fourth Proportional to 19,212.12, 26,519.34 and 11,256.92

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Solution

The fourth proportional to 19,212.12, 26,519.34 and 11,256.92 is: 15,538.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.12 : 26,519.34 = 11,256.92 : x
  2. Step 2: Convert to fraction form
    19,212.12/26,519.34 = 11,256.92/x
  3. Step 3: Cross multiply
    19,212.12x = 26,519.34 × 11,256.92
  4. Step 4: Simplify right side
    19,212.12x = 298,526,088.83
  5. Step 5: Solve for x
    x = 298,526,088.83/19,212.12
  6. Step 6: Final answer
    x = 15,538.43

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Half scale
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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.