Home / 19,706.34-27,194.72-12,632.76

Finding the Fourth Proportional to 19,706.34, 27,194.72 and 12,632.76

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Solution

The fourth proportional to 19,706.34, 27,194.72 and 12,632.76 is: 17,433.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,706.34 : 27,194.72 = 12,632.76 : x
  2. Step 2: Convert to fraction form
    19,706.34/27,194.72 = 12,632.76/x
  3. Step 3: Cross multiply
    19,706.34x = 27,194.72 × 12,632.76
  4. Step 4: Simplify right side
    19,706.34x = 343,544,371.03
  5. Step 5: Solve for x
    x = 343,544,371.03/19,706.34
  6. Step 6: Final answer
    x = 17,433.19

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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.