Home / 19,586.92-29,347.69-18,858.03

Finding the Fourth Proportional to 19,586.92, 29,347.69 and 18,858.03

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Solution

The fourth proportional to 19,586.92, 29,347.69 and 18,858.03 is: 28,255.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586.92 : 29,347.69 = 18,858.03 : x
  2. Step 2: Convert to fraction form
    19,586.92/29,347.69 = 18,858.03/x
  3. Step 3: Cross multiply
    19,586.92x = 29,347.69 × 18,858.03
  4. Step 4: Simplify right side
    19,586.92x = 553,439,716.97
  5. Step 5: Solve for x
    x = 553,439,716.97/19,586.92
  6. Step 6: Final answer
    x = 28,255.58

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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.