Home / 28,811.90-43,308.07-19,014.14

Finding the Fourth Proportional to 28,811.90, 43,308.07 and 19,014.14

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Solution

The fourth proportional to 28,811.90, 43,308.07 and 19,014.14 is: 28,580.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,811.90 : 43,308.07 = 19,014.14 : x
  2. Step 2: Convert to fraction form
    28,811.90/43,308.07 = 19,014.14/x
  3. Step 3: Cross multiply
    28,811.90x = 43,308.07 × 19,014.14
  4. Step 4: Simplify right side
    28,811.90x = 823,465,766.84
  5. Step 5: Solve for x
    x = 823,465,766.84/28,811.90
  6. Step 6: Final answer
    x = 28,580.75

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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.