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Finding the Fourth Proportional to 18,860.59, 26,027.51 and 10,246.70

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Solution

The fourth proportional to 18,860.59, 26,027.51 and 10,246.70 is: 14,140.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,860.59 : 26,027.51 = 10,246.70 : x
  2. Step 2: Convert to fraction form
    18,860.59/26,027.51 = 10,246.70/x
  3. Step 3: Cross multiply
    18,860.59x = 26,027.51 × 10,246.70
  4. Step 4: Simplify right side
    18,860.59x = 266,696,086.72
  5. Step 5: Solve for x
    x = 266,696,086.72/18,860.59
  6. Step 6: Final answer
    x = 14,140.39

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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.