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Finding the Fourth Proportional to 18,950.83, 26,151.19 and 10,565.71

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Solution

The fourth proportional to 18,950.83, 26,151.19 and 10,565.71 is: 14,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.83 : 26,151.19 = 10,565.71 : x
  2. Step 2: Convert to fraction form
    18,950.83/26,151.19 = 10,565.71/x
  3. Step 3: Cross multiply
    18,950.83x = 26,151.19 × 10,565.71
  4. Step 4: Simplify right side
    18,950.83x = 276,305,889.69
  5. Step 5: Solve for x
    x = 276,305,889.69/18,950.83
  6. Step 6: Final answer
    x = 14,580.15

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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.