Home / 13,847.16-20,782.56-5,533.02

Finding the Fourth Proportional to 13,847.16, 20,782.56 and 5,533.02

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Solution

The fourth proportional to 13,847.16, 20,782.56 and 5,533.02 is: 8,304.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.16 : 20,782.56 = 5,533.02 : x
  2. Step 2: Convert to fraction form
    13,847.16/20,782.56 = 5,533.02/x
  3. Step 3: Cross multiply
    13,847.16x = 20,782.56 × 5,533.02
  4. Step 4: Simplify right side
    13,847.16x = 114,990,320.13
  5. Step 5: Solve for x
    x = 114,990,320.13/13,847.16
  6. Step 6: Final answer
    x = 8,304.25

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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.