Home / 18,211.44-25,129.56-10,554.67

Finding the Fourth Proportional to 18,211.44, 25,129.56 and 10,554.67

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Solution

The fourth proportional to 18,211.44, 25,129.56 and 10,554.67 is: 14,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.44 : 25,129.56 = 10,554.67 : x
  2. Step 2: Convert to fraction form
    18,211.44/25,129.56 = 10,554.67/x
  3. Step 3: Cross multiply
    18,211.44x = 25,129.56 × 10,554.67
  4. Step 4: Simplify right side
    18,211.44x = 265,234,153.99
  5. Step 5: Solve for x
    x = 265,234,153.99/18,211.44
  6. Step 6: Final answer
    x = 14,564.15

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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.