Home / 13,500.12-18,628.68-7,532.04

Finding the Fourth Proportional to 13,500.12, 18,628.68 and 7,532.04

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Solution

The fourth proportional to 13,500.12, 18,628.68 and 7,532.04 is: 10,393.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.12 : 18,628.68 = 7,532.04 : x
  2. Step 2: Convert to fraction form
    13,500.12/18,628.68 = 7,532.04/x
  3. Step 3: Cross multiply
    13,500.12x = 18,628.68 × 7,532.04
  4. Step 4: Simplify right side
    13,500.12x = 140,311,962.91
  5. Step 5: Solve for x
    x = 140,311,962.91/13,500.12
  6. Step 6: Final answer
    x = 10,393.39

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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.