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Finding the Fourth Proportional to 18,873.86, 26,045.91 and 10,376.54

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Solution

The fourth proportional to 18,873.86, 26,045.91 and 10,376.54 is: 14,319.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,873.86 : 26,045.91 = 10,376.54 : x
  2. Step 2: Convert to fraction form
    18,873.86/26,045.91 = 10,376.54/x
  3. Step 3: Cross multiply
    18,873.86x = 26,045.91 × 10,376.54
  4. Step 4: Simplify right side
    18,873.86x = 270,266,426.95
  5. Step 5: Solve for x
    x = 270,266,426.95/18,873.86
  6. Step 6: Final answer
    x = 14,319.62

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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.