Home / 19,628.85-29,438.84-5,588.56

Finding the Fourth Proportional to 19,628.85, 29,438.84 and 5,588.56

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Solution

The fourth proportional to 19,628.85, 29,438.84 and 5,588.56 is: 8,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.85 : 29,438.84 = 5,588.56 : x
  2. Step 2: Convert to fraction form
    19,628.85/29,438.84 = 5,588.56/x
  3. Step 3: Cross multiply
    19,628.85x = 29,438.84 × 5,588.56
  4. Step 4: Simplify right side
    19,628.85x = 164,520,723.67
  5. Step 5: Solve for x
    x = 164,520,723.67/19,628.85
  6. Step 6: Final answer
    x = 8,381.58

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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.