Home / 13,300.05-19,962.38-6,730.85

Finding the Fourth Proportional to 13,300.05, 19,962.38 and 6,730.85

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Solution

The fourth proportional to 13,300.05, 19,962.38 and 6,730.85 is: 10,102.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300.05 : 19,962.38 = 6,730.85 : x
  2. Step 2: Convert to fraction form
    13,300.05/19,962.38 = 6,730.85/x
  3. Step 3: Cross multiply
    13,300.05x = 19,962.38 × 6,730.85
  4. Step 4: Simplify right side
    13,300.05x = 134,363,651.96
  5. Step 5: Solve for x
    x = 134,363,651.96/13,300.05
  6. Step 6: Final answer
    x = 10,102.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.