Home / 13,497.34-18,626.61-7,529.26

Finding the Fourth Proportional to 13,497.34, 18,626.61 and 7,529.26

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Solution

The fourth proportional to 13,497.34, 18,626.61 and 7,529.26 is: 10,390.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497.34 : 18,626.61 = 7,529.26 : x
  2. Step 2: Convert to fraction form
    13,497.34/18,626.61 = 7,529.26/x
  3. Step 3: Cross multiply
    13,497.34x = 18,626.61 × 7,529.26
  4. Step 4: Simplify right side
    13,497.34x = 140,244,589.61
  5. Step 5: Solve for x
    x = 140,244,589.61/13,497.34
  6. Step 6: Final answer
    x = 10,390.54

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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.