Home / 18,358.46-25,334.58-10,400.67

Finding the Fourth Proportional to 18,358.46, 25,334.58 and 10,400.67

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Solution

The fourth proportional to 18,358.46, 25,334.58 and 10,400.67 is: 14,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.46 : 25,334.58 = 10,400.67 : x
  2. Step 2: Convert to fraction form
    18,358.46/25,334.58 = 10,400.67/x
  3. Step 3: Cross multiply
    18,358.46x = 25,334.58 × 10,400.67
  4. Step 4: Simplify right side
    18,358.46x = 263,496,606.17
  5. Step 5: Solve for x
    x = 263,496,606.17/18,358.46
  6. Step 6: Final answer
    x = 14,352.87

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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.