Home / 20,004.08-30,002.39-7,351.07

Finding the Fourth Proportional to 20,004.08, 30,002.39 and 7,351.07

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Solution

The fourth proportional to 20,004.08, 30,002.39 and 7,351.07 is: 11,025.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.08 : 30,002.39 = 7,351.07 : x
  2. Step 2: Convert to fraction form
    20,004.08/30,002.39 = 7,351.07/x
  3. Step 3: Cross multiply
    20,004.08x = 30,002.39 × 7,351.07
  4. Step 4: Simplify right side
    20,004.08x = 220,549,482.29
  5. Step 5: Solve for x
    x = 220,549,482.29/20,004.08
  6. Step 6: Final answer
    x = 11,025.23

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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.