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Finding the Fourth Proportional to 19,597.95, 27,045.90 and 11,640.92

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Solution

The fourth proportional to 19,597.95, 27,045.90 and 11,640.92 is: 16,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,597.95 : 27,045.90 = 11,640.92 : x
  2. Step 2: Convert to fraction form
    19,597.95/27,045.90 = 11,640.92/x
  3. Step 3: Cross multiply
    19,597.95x = 27,045.90 × 11,640.92
  4. Step 4: Simplify right side
    19,597.95x = 314,839,023.00
  5. Step 5: Solve for x
    x = 314,839,023.00/19,597.95
  6. Step 6: Final answer
    x = 16,064.90

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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.