Home / 20,570.04-30,853.74-6,529.80

Finding the Fourth Proportional to 20,570.04, 30,853.74 and 6,529.80

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Solution

The fourth proportional to 20,570.04, 30,853.74 and 6,529.80 is: 9,794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,570.04 : 30,853.74 = 6,529.80 : x
  2. Step 2: Convert to fraction form
    20,570.04/30,853.74 = 6,529.80/x
  3. Step 3: Cross multiply
    20,570.04x = 30,853.74 × 6,529.80
  4. Step 4: Simplify right side
    20,570.04x = 201,468,751.45
  5. Step 5: Solve for x
    x = 201,468,751.45/20,570.04
  6. Step 6: Final answer
    x = 9,794.28

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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.