Home / 19,604.91-29,389.54-7,119.57

Finding the Fourth Proportional to 19,604.91, 29,389.54 and 7,119.57

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Solution

The fourth proportional to 19,604.91, 29,389.54 and 7,119.57 is: 10,672.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604.91 : 29,389.54 = 7,119.57 : x
  2. Step 2: Convert to fraction form
    19,604.91/29,389.54 = 7,119.57/x
  3. Step 3: Cross multiply
    19,604.91x = 29,389.54 × 7,119.57
  4. Step 4: Simplify right side
    19,604.91x = 209,240,851.70
  5. Step 5: Solve for x
    x = 209,240,851.70/19,604.91
  6. Step 6: Final answer
    x = 10,672.88

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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.