Home / 16,728.22-25,074.74-5,631.06

Finding the Fourth Proportional to 16,728.22, 25,074.74 and 5,631.06

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Solution

The fourth proportional to 16,728.22, 25,074.74 and 5,631.06 is: 8,440.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.22 : 25,074.74 = 5,631.06 : x
  2. Step 2: Convert to fraction form
    16,728.22/25,074.74 = 5,631.06/x
  3. Step 3: Cross multiply
    16,728.22x = 25,074.74 × 5,631.06
  4. Step 4: Simplify right side
    16,728.22x = 141,197,379.50
  5. Step 5: Solve for x
    x = 141,197,379.50/16,728.22
  6. Step 6: Final answer
    x = 8,440.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.