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Finding the Fourth Proportional to 19,595.19, 27,040.95 and 11,097.18

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Solution

The fourth proportional to 19,595.19, 27,040.95 and 11,097.18 is: 15,313.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,595.19 : 27,040.95 = 11,097.18 : x
  2. Step 2: Convert to fraction form
    19,595.19/27,040.95 = 11,097.18/x
  3. Step 3: Cross multiply
    19,595.19x = 27,040.95 × 11,097.18
  4. Step 4: Simplify right side
    19,595.19x = 300,078,289.52
  5. Step 5: Solve for x
    x = 300,078,289.52/19,595.19
  6. Step 6: Final answer
    x = 15,313.87

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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.