Home / 18,439.88-25,447.38-10,056.68

Finding the Fourth Proportional to 18,439.88, 25,447.38 and 10,056.68

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Solution

The fourth proportional to 18,439.88, 25,447.38 and 10,056.68 is: 13,878.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.88 : 25,447.38 = 10,056.68 : x
  2. Step 2: Convert to fraction form
    18,439.88/25,447.38 = 10,056.68/x
  3. Step 3: Cross multiply
    18,439.88x = 25,447.38 × 10,056.68
  4. Step 4: Simplify right side
    18,439.88x = 255,916,157.50
  5. Step 5: Solve for x
    x = 255,916,157.50/18,439.88
  6. Step 6: Final answer
    x = 13,878.41

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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.