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Finding the Fourth Proportional to 13,595.74, 18,760.85 and 7,626.24

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Solution

The fourth proportional to 13,595.74, 18,760.85 and 7,626.24 is: 10,523.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.74 : 18,760.85 = 7,626.24 : x
  2. Step 2: Convert to fraction form
    13,595.74/18,760.85 = 7,626.24/x
  3. Step 3: Cross multiply
    13,595.74x = 18,760.85 × 7,626.24
  4. Step 4: Simplify right side
    13,595.74x = 143,074,744.70
  5. Step 5: Solve for x
    x = 143,074,744.70/13,595.74
  6. Step 6: Final answer
    x = 10,523.50

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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.