Home / 12,700.35-19,048.37-3,464.19

Finding the Fourth Proportional to 12,700.35, 19,048.37 and 3,464.19

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Solution

The fourth proportional to 12,700.35, 19,048.37 and 3,464.19 is: 5,195.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,700.35 : 19,048.37 = 3,464.19 : x
  2. Step 2: Convert to fraction form
    12,700.35/19,048.37 = 3,464.19/x
  3. Step 3: Cross multiply
    12,700.35x = 19,048.37 × 3,464.19
  4. Step 4: Simplify right side
    12,700.35x = 65,987,155.55
  5. Step 5: Solve for x
    x = 65,987,155.55/12,700.35
  6. Step 6: Final answer
    x = 5,195.70

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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.