Home / 13,700.05-20,550.24-4,815.02

Finding the Fourth Proportional to 13,700.05, 20,550.24 and 4,815.02

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Solution

The fourth proportional to 13,700.05, 20,550.24 and 4,815.02 is: 7,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,700.05 : 20,550.24 = 4,815.02 : x
  2. Step 2: Convert to fraction form
    13,700.05/20,550.24 = 4,815.02/x
  3. Step 3: Cross multiply
    13,700.05x = 20,550.24 × 4,815.02
  4. Step 4: Simplify right side
    13,700.05x = 98,949,689.78
  5. Step 5: Solve for x
    x = 98,949,689.78/13,700.05
  6. Step 6: Final answer
    x = 7,222.58

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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.