Home / 13,834.91-19,069.41-9,803.09

Finding the Fourth Proportional to 13,834.91, 19,069.41 and 9,803.09

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Solution

The fourth proportional to 13,834.91, 19,069.41 and 9,803.09 is: 13,512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.91 : 19,069.41 = 9,803.09 : x
  2. Step 2: Convert to fraction form
    13,834.91/19,069.41 = 9,803.09/x
  3. Step 3: Cross multiply
    13,834.91x = 19,069.41 × 9,803.09
  4. Step 4: Simplify right side
    13,834.91x = 186,939,142.48
  5. Step 5: Solve for x
    x = 186,939,142.48/13,834.91
  6. Step 6: Final answer
    x = 13,512.13

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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.