Home / 18,440.24-25,447.55-10,056.74

Finding the Fourth Proportional to 18,440.24, 25,447.55 and 10,056.74

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Solution

The fourth proportional to 18,440.24, 25,447.55 and 10,056.74 is: 13,878.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.24 : 25,447.55 = 10,056.74 : x
  2. Step 2: Convert to fraction form
    18,440.24/25,447.55 = 10,056.74/x
  3. Step 3: Cross multiply
    18,440.24x = 25,447.55 × 10,056.74
  4. Step 4: Simplify right side
    18,440.24x = 255,919,266.75
  5. Step 5: Solve for x
    x = 255,919,266.75/18,440.24
  6. Step 6: Final answer
    x = 13,878.31

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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.