Home / 18,440.28-25,446.83-10,056.78

Finding the Fourth Proportional to 18,440.28, 25,446.83 and 10,056.78

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Solution

The fourth proportional to 18,440.28, 25,446.83 and 10,056.78 is: 13,877.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.28 : 25,446.83 = 10,056.78 : x
  2. Step 2: Convert to fraction form
    18,440.28/25,446.83 = 10,056.78/x
  3. Step 3: Cross multiply
    18,440.28x = 25,446.83 × 10,056.78
  4. Step 4: Simplify right side
    18,440.28x = 255,913,120.72
  5. Step 5: Solve for x
    x = 255,913,120.72/18,440.28
  6. Step 6: Final answer
    x = 13,877.94

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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.