Home / 19,711.35-29,423.11-17,097.28

Finding the Fourth Proportional to 19,711.35, 29,423.11 and 17,097.28

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Solution

The fourth proportional to 19,711.35, 29,423.11 and 17,097.28 is: 25,521.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.35 : 29,423.11 = 17,097.28 : x
  2. Step 2: Convert to fraction form
    19,711.35/29,423.11 = 17,097.28/x
  3. Step 3: Cross multiply
    19,711.35x = 29,423.11 × 17,097.28
  4. Step 4: Simplify right side
    19,711.35x = 503,055,150.14
  5. Step 5: Solve for x
    x = 503,055,150.14/19,711.35
  6. Step 6: Final answer
    x = 25,521.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.