Home / 25,439.96-38,162.42-10,653.48

Finding the Fourth Proportional to 25,439.96, 38,162.42 and 10,653.48

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Solution

The fourth proportional to 25,439.96, 38,162.42 and 10,653.48 is: 15,981.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,439.96 : 38,162.42 = 10,653.48 : x
  2. Step 2: Convert to fraction form
    25,439.96/38,162.42 = 10,653.48/x
  3. Step 3: Cross multiply
    25,439.96x = 38,162.42 × 10,653.48
  4. Step 4: Simplify right side
    25,439.96x = 406,562,578.22
  5. Step 5: Solve for x
    x = 406,562,578.22/25,439.96
  6. Step 6: Final answer
    x = 15,981.26

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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.