Home / 13,522.68-18,660.88-7,554.32

Finding the Fourth Proportional to 13,522.68, 18,660.88 and 7,554.32

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Solution

The fourth proportional to 13,522.68, 18,660.88 and 7,554.32 is: 10,424.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522.68 : 18,660.88 = 7,554.32 : x
  2. Step 2: Convert to fraction form
    13,522.68/18,660.88 = 7,554.32/x
  3. Step 3: Cross multiply
    13,522.68x = 18,660.88 × 7,554.32
  4. Step 4: Simplify right side
    13,522.68x = 140,970,259.00
  5. Step 5: Solve for x
    x = 140,970,259.00/13,522.68
  6. Step 6: Final answer
    x = 10,424.73

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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.