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Finding the Fourth Proportional to 19,597.65, 27,037.70 and 11,639.70

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Solution

The fourth proportional to 19,597.65, 27,037.70 and 11,639.70 is: 16,058.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,597.65 : 27,037.70 = 11,639.70 : x
  2. Step 2: Convert to fraction form
    19,597.65/27,037.70 = 11,639.70/x
  3. Step 3: Cross multiply
    19,597.65x = 27,037.70 × 11,639.70
  4. Step 4: Simplify right side
    19,597.65x = 314,710,702.14
  5. Step 5: Solve for x
    x = 314,710,702.14/19,597.65
  6. Step 6: Final answer
    x = 16,058.60

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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.