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Finding the Fourth Proportional to 18,875.46, 26,048.45 and 10,377.94

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Solution

The fourth proportional to 18,875.46, 26,048.45 and 10,377.94 is: 14,321.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.46 : 26,048.45 = 10,377.94 : x
  2. Step 2: Convert to fraction form
    18,875.46/26,048.45 = 10,377.94/x
  3. Step 3: Cross multiply
    18,875.46x = 26,048.45 × 10,377.94
  4. Step 4: Simplify right side
    18,875.46x = 270,329,251.19
  5. Step 5: Solve for x
    x = 270,329,251.19/18,875.46
  6. Step 6: Final answer
    x = 14,321.73

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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.