Home / 18,763.32-25,893.54-10,380.36

Finding the Fourth Proportional to 18,763.32, 25,893.54 and 10,380.36

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Solution

The fourth proportional to 18,763.32, 25,893.54 and 10,380.36 is: 14,324.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,763.32 : 25,893.54 = 10,380.36 : x
  2. Step 2: Convert to fraction form
    18,763.32/25,893.54 = 10,380.36/x
  3. Step 3: Cross multiply
    18,763.32x = 25,893.54 × 10,380.36
  4. Step 4: Simplify right side
    18,763.32x = 268,784,266.87
  5. Step 5: Solve for x
    x = 268,784,266.87/18,763.32
  6. Step 6: Final answer
    x = 14,324.98

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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.