Home / 19,069.07-28,571.31-11,549.91

Finding the Fourth Proportional to 19,069.07, 28,571.31 and 11,549.91

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Solution

The fourth proportional to 19,069.07, 28,571.31 and 11,549.91 is: 17,305.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.07 : 28,571.31 = 11,549.91 : x
  2. Step 2: Convert to fraction form
    19,069.07/28,571.31 = 11,549.91/x
  3. Step 3: Cross multiply
    19,069.07x = 28,571.31 × 11,549.91
  4. Step 4: Simplify right side
    19,069.07x = 329,995,987.65
  5. Step 5: Solve for x
    x = 329,995,987.65/19,069.07
  6. Step 6: Final answer
    x = 17,305.30

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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.