Home / 13,628.04-20,442.01-3,767.30

Finding the Fourth Proportional to 13,628.04, 20,442.01 and 3,767.30

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Solution

The fourth proportional to 13,628.04, 20,442.01 and 3,767.30 is: 5,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,628.04 : 20,442.01 = 3,767.30 : x
  2. Step 2: Convert to fraction form
    13,628.04/20,442.01 = 3,767.30/x
  3. Step 3: Cross multiply
    13,628.04x = 20,442.01 × 3,767.30
  4. Step 4: Simplify right side
    13,628.04x = 77,011,184.27
  5. Step 5: Solve for x
    x = 77,011,184.27/13,628.04
  6. Step 6: Final answer
    x = 5,650.94

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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.