Home / 18,425.70-25,426.20-10,359.54

Finding the Fourth Proportional to 18,425.70, 25,426.20 and 10,359.54

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Solution

The fourth proportional to 18,425.70, 25,426.20 and 10,359.54 is: 14,295.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,425.70 : 25,426.20 = 10,359.54 : x
  2. Step 2: Convert to fraction form
    18,425.70/25,426.20 = 10,359.54/x
  3. Step 3: Cross multiply
    18,425.70x = 25,426.20 × 10,359.54
  4. Step 4: Simplify right side
    18,425.70x = 263,403,735.95
  5. Step 5: Solve for x
    x = 263,403,735.95/18,425.70
  6. Step 6: Final answer
    x = 14,295.45

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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.