Home / 19,342.19-26,687.22-11,382.92

Finding the Fourth Proportional to 19,342.19, 26,687.22 and 11,382.92

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Solution

The fourth proportional to 19,342.19, 26,687.22 and 11,382.92 is: 15,705.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,342.19 : 26,687.22 = 11,382.92 : x
  2. Step 2: Convert to fraction form
    19,342.19/26,687.22 = 11,382.92/x
  3. Step 3: Cross multiply
    19,342.19x = 26,687.22 × 11,382.92
  4. Step 4: Simplify right side
    19,342.19x = 303,778,490.28
  5. Step 5: Solve for x
    x = 303,778,490.28/19,342.19
  6. Step 6: Final answer
    x = 15,705.49

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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.