Home / 18,358.23-25,334.30-10,401.98

Finding the Fourth Proportional to 18,358.23, 25,334.30 and 10,401.98

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Solution

The fourth proportional to 18,358.23, 25,334.30 and 10,401.98 is: 14,354.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.23 : 25,334.30 = 10,401.98 : x
  2. Step 2: Convert to fraction form
    18,358.23/25,334.30 = 10,401.98/x
  3. Step 3: Cross multiply
    18,358.23x = 25,334.30 × 10,401.98
  4. Step 4: Simplify right side
    18,358.23x = 263,526,729.24
  5. Step 5: Solve for x
    x = 263,526,729.24/18,358.23
  6. Step 6: Final answer
    x = 14,354.69

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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.