Home / 19,708.20-29,673.38-17,382.69

Finding the Fourth Proportional to 19,708.20, 29,673.38 and 17,382.69

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Solution

The fourth proportional to 19,708.20, 29,673.38 and 17,382.69 is: 26,172.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708.20 : 29,673.38 = 17,382.69 : x
  2. Step 2: Convert to fraction form
    19,708.20/29,673.38 = 17,382.69/x
  3. Step 3: Cross multiply
    19,708.20x = 29,673.38 × 17,382.69
  4. Step 4: Simplify right side
    19,708.20x = 515,803,209.25
  5. Step 5: Solve for x
    x = 515,803,209.25/19,708.20
  6. Step 6: Final answer
    x = 26,172.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.