Home / 23,847.40-32,919.78-19,138.60

Finding the Fourth Proportional to 23,847.40, 32,919.78 and 19,138.60

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Solution

The fourth proportional to 23,847.40, 32,919.78 and 19,138.60 is: 26,419.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,847.40 : 32,919.78 = 19,138.60 : x
  2. Step 2: Convert to fraction form
    23,847.40/32,919.78 = 19,138.60/x
  3. Step 3: Cross multiply
    23,847.40x = 32,919.78 × 19,138.60
  4. Step 4: Simplify right side
    23,847.40x = 630,038,501.51
  5. Step 5: Solve for x
    x = 630,038,501.51/23,847.40
  6. Step 6: Final answer
    x = 26,419.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.