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Finding the Fourth Proportional to 19,357.14, 26,713.14 and 10,861.14

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Solution

The fourth proportional to 19,357.14, 26,713.14 and 10,861.14 is: 14,988.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357.14 : 26,713.14 = 10,861.14 : x
  2. Step 2: Convert to fraction form
    19,357.14/26,713.14 = 10,861.14/x
  3. Step 3: Cross multiply
    19,357.14x = 26,713.14 × 10,861.14
  4. Step 4: Simplify right side
    19,357.14x = 290,135,153.38
  5. Step 5: Solve for x
    x = 290,135,153.38/19,357.14
  6. Step 6: Final answer
    x = 14,988.53

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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.