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Finding the Fourth Proportional to 19,959.56, 27,543.08 and 11,007.04

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Solution

The fourth proportional to 19,959.56, 27,543.08 and 11,007.04 is: 15,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959.56 : 27,543.08 = 11,007.04 : x
  2. Step 2: Convert to fraction form
    19,959.56/27,543.08 = 11,007.04/x
  3. Step 3: Cross multiply
    19,959.56x = 27,543.08 × 11,007.04
  4. Step 4: Simplify right side
    19,959.56x = 303,167,783.28
  5. Step 5: Solve for x
    x = 303,167,783.28/19,959.56
  6. Step 6: Final answer
    x = 15,189.10

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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.