Home / 18,282.27-25,225.26-10,728.21

Finding the Fourth Proportional to 18,282.27, 25,225.26 and 10,728.21

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Solution

The fourth proportional to 18,282.27, 25,225.26 and 10,728.21 is: 14,802.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.27 : 25,225.26 = 10,728.21 : x
  2. Step 2: Convert to fraction form
    18,282.27/25,225.26 = 10,728.21/x
  3. Step 3: Cross multiply
    18,282.27x = 25,225.26 × 10,728.21
  4. Step 4: Simplify right side
    18,282.27x = 270,621,886.58
  5. Step 5: Solve for x
    x = 270,621,886.58/18,282.27
  6. Step 6: Final answer
    x = 14,802.42

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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.