Home / 18,683.62-25,782.36-10,725.32

Finding the Fourth Proportional to 18,683.62, 25,782.36 and 10,725.32

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Solution

The fourth proportional to 18,683.62, 25,782.36 and 10,725.32 is: 14,800.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683.62 : 25,782.36 = 10,725.32 : x
  2. Step 2: Convert to fraction form
    18,683.62/25,782.36 = 10,725.32/x
  3. Step 3: Cross multiply
    18,683.62x = 25,782.36 × 10,725.32
  4. Step 4: Simplify right side
    18,683.62x = 276,524,061.36
  5. Step 5: Solve for x
    x = 276,524,061.36/18,683.62
  6. Step 6: Final answer
    x = 14,800.35

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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.