Home / 19,211.77-26,514.71-11,260.81

Finding the Fourth Proportional to 19,211.77, 26,514.71 and 11,260.81

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Solution

The fourth proportional to 19,211.77, 26,514.71 and 11,260.81 is: 15,541.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.77 : 26,514.71 = 11,260.81 : x
  2. Step 2: Convert to fraction form
    19,211.77/26,514.71 = 11,260.81/x
  3. Step 3: Cross multiply
    19,211.77x = 26,514.71 × 11,260.81
  4. Step 4: Simplify right side
    19,211.77x = 298,577,055.21
  5. Step 5: Solve for x
    x = 298,577,055.21/19,211.77
  6. Step 6: Final answer
    x = 15,541.36

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Half scale
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Double scale
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Similar ratio
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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.