Home / 18,499.92-25,529.76-10,116.48

Finding the Fourth Proportional to 18,499.92, 25,529.76 and 10,116.48

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Solution

The fourth proportional to 18,499.92, 25,529.76 and 10,116.48 is: 13,960.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499.92 : 25,529.76 = 10,116.48 : x
  2. Step 2: Convert to fraction form
    18,499.92/25,529.76 = 10,116.48/x
  3. Step 3: Cross multiply
    18,499.92x = 25,529.76 × 10,116.48
  4. Step 4: Simplify right side
    18,499.92x = 258,271,306.44
  5. Step 5: Solve for x
    x = 258,271,306.44/18,499.92
  6. Step 6: Final answer
    x = 13,960.67

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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.