Home / 13,143.96-19,723.50-5,352.84

Finding the Fourth Proportional to 13,143.96, 19,723.50 and 5,352.84

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Solution

The fourth proportional to 13,143.96, 19,723.50 and 5,352.84 is: 8,032.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,143.96 : 19,723.50 = 5,352.84 : x
  2. Step 2: Convert to fraction form
    13,143.96/19,723.50 = 5,352.84/x
  3. Step 3: Cross multiply
    13,143.96x = 19,723.50 × 5,352.84
  4. Step 4: Simplify right side
    13,143.96x = 105,576,739.74
  5. Step 5: Solve for x
    x = 105,576,739.74/13,143.96
  6. Step 6: Final answer
    x = 8,032.34

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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.