Home / 13,522.64-18,661.20-7,554.24

Finding the Fourth Proportional to 13,522.64, 18,661.20 and 7,554.24

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Solution

The fourth proportional to 13,522.64, 18,661.20 and 7,554.24 is: 10,424.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522.64 : 18,661.20 = 7,554.24 : x
  2. Step 2: Convert to fraction form
    13,522.64/18,661.20 = 7,554.24/x
  3. Step 3: Cross multiply
    13,522.64x = 18,661.20 × 7,554.24
  4. Step 4: Simplify right side
    13,522.64x = 140,971,183.49
  5. Step 5: Solve for x
    x = 140,971,183.49/13,522.64
  6. Step 6: Final answer
    x = 10,424.83

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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.