Home / 14,700.46-20,286.56-7,986.02

Finding the Fourth Proportional to 14,700.46, 20,286.56 and 7,986.02

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Solution

The fourth proportional to 14,700.46, 20,286.56 and 7,986.02 is: 11,020.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,700.46 : 20,286.56 = 7,986.02 : x
  2. Step 2: Convert to fraction form
    14,700.46/20,286.56 = 7,986.02/x
  3. Step 3: Cross multiply
    14,700.46x = 20,286.56 × 7,986.02
  4. Step 4: Simplify right side
    14,700.46x = 162,008,873.89
  5. Step 5: Solve for x
    x = 162,008,873.89/14,700.46
  6. Step 6: Final answer
    x = 11,020.67

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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.