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Finding the Fourth Proportional to 13,833, 19,090.08 and 8,247.24

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Solution

The fourth proportional to 13,833, 19,090.08 and 8,247.24 is: 11,381.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,833 : 19,090.08 = 8,247.24 : x
  2. Step 2: Convert to fraction form
    13,833/19,090.08 = 8,247.24/x
  3. Step 3: Cross multiply
    13,833x = 19,090.08 × 8,247.24
  4. Step 4: Simplify right side
    13,833x = 157,440,471.38
  5. Step 5: Solve for x
    x = 157,440,471.38/13,833
  6. Step 6: Final answer
    x = 11,381.51

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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.