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Finding the Fourth Proportional to 19,120.25, 26,387.37 and 10,624.37

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Solution

The fourth proportional to 19,120.25, 26,387.37 and 10,624.37 is: 14,662.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.25 : 26,387.37 = 10,624.37 : x
  2. Step 2: Convert to fraction form
    19,120.25/26,387.37 = 10,624.37/x
  3. Step 3: Cross multiply
    19,120.25x = 26,387.37 × 10,624.37
  4. Step 4: Simplify right side
    19,120.25x = 280,349,050.27
  5. Step 5: Solve for x
    x = 280,349,050.27/19,120.25
  6. Step 6: Final answer
    x = 14,662.41

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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.