Home / 20,366.04-30,549.06-5,574.36

Finding the Fourth Proportional to 20,366.04, 30,549.06 and 5,574.36

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Solution

The fourth proportional to 20,366.04, 30,549.06 and 5,574.36 is: 8,361.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366.04 : 30,549.06 = 5,574.36 : x
  2. Step 2: Convert to fraction form
    20,366.04/30,549.06 = 5,574.36/x
  3. Step 3: Cross multiply
    20,366.04x = 30,549.06 × 5,574.36
  4. Step 4: Simplify right side
    20,366.04x = 170,291,458.10
  5. Step 5: Solve for x
    x = 170,291,458.10/20,366.04
  6. Step 6: Final answer
    x = 8,361.54

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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.