Home / 19,706.94-27,202.59-11,640.62

Finding the Fourth Proportional to 19,706.94, 27,202.59 and 11,640.62

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Solution

The fourth proportional to 19,706.94, 27,202.59 and 11,640.62 is: 16,068.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,706.94 : 27,202.59 = 11,640.62 : x
  2. Step 2: Convert to fraction form
    19,706.94/27,202.59 = 11,640.62/x
  3. Step 3: Cross multiply
    19,706.94x = 27,202.59 × 11,640.62
  4. Step 4: Simplify right side
    19,706.94x = 316,654,877.19
  5. Step 5: Solve for x
    x = 316,654,877.19/19,706.94
  6. Step 6: Final answer
    x = 16,068.19

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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.