Home / 19,797.47-29,701.67-17,621.40

Finding the Fourth Proportional to 19,797.47, 29,701.67 and 17,621.40

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Solution

The fourth proportional to 19,797.47, 29,701.67 and 17,621.40 is: 26,436.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.47 : 29,701.67 = 17,621.40 : x
  2. Step 2: Convert to fraction form
    19,797.47/29,701.67 = 17,621.40/x
  3. Step 3: Cross multiply
    19,797.47x = 29,701.67 × 17,621.40
  4. Step 4: Simplify right side
    19,797.47x = 523,384,919.63
  5. Step 5: Solve for x
    x = 523,384,919.63/19,797.47
  6. Step 6: Final answer
    x = 26,436.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.