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Finding the Fourth Proportional to 19,396.49, 26,765.49 and 10,897.94

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Solution

The fourth proportional to 19,396.49, 26,765.49 and 10,897.94 is: 15,038.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.49 : 26,765.49 = 10,897.94 : x
  2. Step 2: Convert to fraction form
    19,396.49/26,765.49 = 10,897.94/x
  3. Step 3: Cross multiply
    19,396.49x = 26,765.49 × 10,897.94
  4. Step 4: Simplify right side
    19,396.49x = 291,688,811.87
  5. Step 5: Solve for x
    x = 291,688,811.87/19,396.49
  6. Step 6: Final answer
    x = 15,038.23

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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.