Home / 13,533.75-20,298.23-3,673.80

Finding the Fourth Proportional to 13,533.75, 20,298.23 and 3,673.80

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Solution

The fourth proportional to 13,533.75, 20,298.23 and 3,673.80 is: 5,510.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.75 : 20,298.23 = 3,673.80 : x
  2. Step 2: Convert to fraction form
    13,533.75/20,298.23 = 3,673.80/x
  3. Step 3: Cross multiply
    13,533.75x = 20,298.23 × 3,673.80
  4. Step 4: Simplify right side
    13,533.75x = 74,571,637.37
  5. Step 5: Solve for x
    x = 74,571,637.37/13,533.75
  6. Step 6: Final answer
    x = 5,510.05

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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.