Home / 19,525.28-29,289.88-5,485.34

Finding the Fourth Proportional to 19,525.28, 29,289.88 and 5,485.34

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Solution

The fourth proportional to 19,525.28, 29,289.88 and 5,485.34 is: 8,228.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,525.28 : 29,289.88 = 5,485.34 : x
  2. Step 2: Convert to fraction form
    19,525.28/29,289.88 = 5,485.34/x
  3. Step 3: Cross multiply
    19,525.28x = 29,289.88 × 5,485.34
  4. Step 4: Simplify right side
    19,525.28x = 160,664,950.36
  5. Step 5: Solve for x
    x = 160,664,950.36/19,525.28
  6. Step 6: Final answer
    x = 8,228.56

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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.