Home / 23,276.94-32,078.36-20,984.67

Finding the Fourth Proportional to 23,276.94, 32,078.36 and 20,984.67

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Solution

The fourth proportional to 23,276.94, 32,078.36 and 20,984.67 is: 28,919.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,276.94 : 32,078.36 = 20,984.67 : x
  2. Step 2: Convert to fraction form
    23,276.94/32,078.36 = 20,984.67/x
  3. Step 3: Cross multiply
    23,276.94x = 32,078.36 × 20,984.67
  4. Step 4: Simplify right side
    23,276.94x = 673,153,851.20
  5. Step 5: Solve for x
    x = 673,153,851.20/23,276.94
  6. Step 6: Final answer
    x = 28,919.35

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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.