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Finding the Fourth Proportional to 19,398.02, 26,769.02 and 11,013.98

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Solution

The fourth proportional to 19,398.02, 26,769.02 and 11,013.98 is: 15,199.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398.02 : 26,769.02 = 11,013.98 : x
  2. Step 2: Convert to fraction form
    19,398.02/26,769.02 = 11,013.98/x
  3. Step 3: Cross multiply
    19,398.02x = 26,769.02 × 11,013.98
  4. Step 4: Simplify right side
    19,398.02x = 294,833,450.90
  5. Step 5: Solve for x
    x = 294,833,450.90/19,398.02
  6. Step 6: Final answer
    x = 15,199.15

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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.