Home / 19,706.69-27,185.83-13,335.52

Finding the Fourth Proportional to 19,706.69, 27,185.83 and 13,335.52

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Solution

The fourth proportional to 19,706.69, 27,185.83 and 13,335.52 is: 18,396.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,706.69 : 27,185.83 = 13,335.52 : x
  2. Step 2: Convert to fraction form
    19,706.69/27,185.83 = 13,335.52/x
  3. Step 3: Cross multiply
    19,706.69x = 27,185.83 × 13,335.52
  4. Step 4: Simplify right side
    19,706.69x = 362,537,179.68
  5. Step 5: Solve for x
    x = 362,537,179.68/19,706.69
  6. Step 6: Final answer
    x = 18,396.66

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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.