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Finding the Fourth Proportional to 19,573.71, 27,007.04 and 11,188.11

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Solution

The fourth proportional to 19,573.71, 27,007.04 and 11,188.11 is: 15,436.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.71 : 27,007.04 = 11,188.11 : x
  2. Step 2: Convert to fraction form
    19,573.71/27,007.04 = 11,188.11/x
  3. Step 3: Cross multiply
    19,573.71x = 27,007.04 × 11,188.11
  4. Step 4: Simplify right side
    19,573.71x = 302,157,678.35
  5. Step 5: Solve for x
    x = 302,157,678.35/19,573.71
  6. Step 6: Final answer
    x = 15,436.91

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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.