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Finding the Fourth Proportional to 15,614.26, 21,548.00 and 8,541.14

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Solution

The fourth proportional to 15,614.26, 21,548.00 and 8,541.14 is: 11,786.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614.26 : 21,548.00 = 8,541.14 : x
  2. Step 2: Convert to fraction form
    15,614.26/21,548.00 = 8,541.14/x
  3. Step 3: Cross multiply
    15,614.26x = 21,548.00 × 8,541.14
  4. Step 4: Simplify right side
    15,614.26x = 184,044,350.29
  5. Step 5: Solve for x
    x = 184,044,350.29/15,614.26
  6. Step 6: Final answer
    x = 11,786.94

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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.