Home / 20,700.26-31,059.50-10,846.60

Finding the Fourth Proportional to 20,700.26, 31,059.50 and 10,846.60

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Solution

The fourth proportional to 20,700.26, 31,059.50 and 10,846.60 is: 16,274.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,700.26 : 31,059.50 = 10,846.60 : x
  2. Step 2: Convert to fraction form
    20,700.26/31,059.50 = 10,846.60/x
  3. Step 3: Cross multiply
    20,700.26x = 31,059.50 × 10,846.60
  4. Step 4: Simplify right side
    20,700.26x = 336,889,972.70
  5. Step 5: Solve for x
    x = 336,889,972.70/20,700.26
  6. Step 6: Final answer
    x = 16,274.67

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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.