Home / 18,298.56-25,251.36-10,340.61

Finding the Fourth Proportional to 18,298.56, 25,251.36 and 10,340.61

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Solution

The fourth proportional to 18,298.56, 25,251.36 and 10,340.61 is: 14,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.56 : 25,251.36 = 10,340.61 : x
  2. Step 2: Convert to fraction form
    18,298.56/25,251.36 = 10,340.61/x
  3. Step 3: Cross multiply
    18,298.56x = 25,251.36 × 10,340.61
  4. Step 4: Simplify right side
    18,298.56x = 261,114,465.73
  5. Step 5: Solve for x
    x = 261,114,465.73/18,298.56
  6. Step 6: Final answer
    x = 14,269.67

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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.