Home / 15,744.99-21,727.41-8,574.93

Finding the Fourth Proportional to 15,744.99, 21,727.41 and 8,574.93

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Solution

The fourth proportional to 15,744.99, 21,727.41 and 8,574.93 is: 11,833.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,744.99 : 21,727.41 = 8,574.93 : x
  2. Step 2: Convert to fraction form
    15,744.99/21,727.41 = 8,574.93/x
  3. Step 3: Cross multiply
    15,744.99x = 21,727.41 × 8,574.93
  4. Step 4: Simplify right side
    15,744.99x = 186,311,019.83
  5. Step 5: Solve for x
    x = 186,311,019.83/15,744.99
  6. Step 6: Final answer
    x = 11,833.04

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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.