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Finding the Fourth Proportional to 15,984.74, 22,059.04 and 9,274.36

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Solution

The fourth proportional to 15,984.74, 22,059.04 and 9,274.36 is: 12,798.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,984.74 : 22,059.04 = 9,274.36 : x
  2. Step 2: Convert to fraction form
    15,984.74/22,059.04 = 9,274.36/x
  3. Step 3: Cross multiply
    15,984.74x = 22,059.04 × 9,274.36
  4. Step 4: Simplify right side
    15,984.74x = 204,583,486.99
  5. Step 5: Solve for x
    x = 204,583,486.99/15,984.74
  6. Step 6: Final answer
    x = 12,798.67

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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.