Home / 18,426.70-25,427.58-10,360.54

Finding the Fourth Proportional to 18,426.70, 25,427.58 and 10,360.54

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Solution

The fourth proportional to 18,426.70, 25,427.58 and 10,360.54 is: 14,296.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.70 : 25,427.58 = 10,360.54 : x
  2. Step 2: Convert to fraction form
    18,426.70/25,427.58 = 10,360.54/x
  3. Step 3: Cross multiply
    18,426.70x = 25,427.58 × 10,360.54
  4. Step 4: Simplify right side
    18,426.70x = 263,443,459.69
  5. Step 5: Solve for x
    x = 263,443,459.69/18,426.70
  6. Step 6: Final answer
    x = 14,296.83

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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.