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Finding the Fourth Proportional to 19,191.58, 26,483.96 and 10,693.67

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Solution

The fourth proportional to 19,191.58, 26,483.96 and 10,693.67 is: 14,757.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191.58 : 26,483.96 = 10,693.67 : x
  2. Step 2: Convert to fraction form
    19,191.58/26,483.96 = 10,693.67/x
  3. Step 3: Cross multiply
    19,191.58x = 26,483.96 × 10,693.67
  4. Step 4: Simplify right side
    19,191.58x = 283,210,622.85
  5. Step 5: Solve for x
    x = 283,210,622.85/19,191.58
  6. Step 6: Final answer
    x = 14,757.03

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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.