Home / 19,696.73-27,176.63-12,632.72

Finding the Fourth Proportional to 19,696.73, 27,176.63 and 12,632.72

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Solution

The fourth proportional to 19,696.73, 27,176.63 and 12,632.72 is: 17,430.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,696.73 : 27,176.63 = 12,632.72 : x
  2. Step 2: Convert to fraction form
    19,696.73/27,176.63 = 12,632.72/x
  3. Step 3: Cross multiply
    19,696.73x = 27,176.63 × 12,632.72
  4. Step 4: Simplify right side
    19,696.73x = 343,314,558.29
  5. Step 5: Solve for x
    x = 343,314,558.29/19,696.73
  6. Step 6: Final answer
    x = 17,430.03

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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.