Home / 18,308.72-25,265.76-10,350.67

Finding the Fourth Proportional to 18,308.72, 25,265.76 and 10,350.67

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Solution

The fourth proportional to 18,308.72, 25,265.76 and 10,350.67 is: 14,283.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.72 : 25,265.76 = 10,350.67 : x
  2. Step 2: Convert to fraction form
    18,308.72/25,265.76 = 10,350.67/x
  3. Step 3: Cross multiply
    18,308.72x = 25,265.76 × 10,350.67
  4. Step 4: Simplify right side
    18,308.72x = 261,517,417.73
  5. Step 5: Solve for x
    x = 261,517,417.73/18,308.72
  6. Step 6: Final answer
    x = 14,283.76

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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.