Home / 19,706.04-27,185.76-12,983.04

Finding the Fourth Proportional to 19,706.04, 27,185.76 and 12,983.04

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Solution

The fourth proportional to 19,706.04, 27,185.76 and 12,983.04 is: 17,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,706.04 : 27,185.76 = 12,983.04 : x
  2. Step 2: Convert to fraction form
    19,706.04/27,185.76 = 12,983.04/x
  3. Step 3: Cross multiply
    19,706.04x = 27,185.76 × 12,983.04
  4. Step 4: Simplify right side
    19,706.04x = 352,953,809.51
  5. Step 5: Solve for x
    x = 352,953,809.51/19,706.04
  6. Step 6: Final answer
    x = 17,910.95

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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.