Home / 14,629.28-20,188.32-8,341.52

Finding the Fourth Proportional to 14,629.28, 20,188.32 and 8,341.52

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Solution

The fourth proportional to 14,629.28, 20,188.32 and 8,341.52 is: 11,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,629.28 : 20,188.32 = 8,341.52 : x
  2. Step 2: Convert to fraction form
    14,629.28/20,188.32 = 8,341.52/x
  3. Step 3: Cross multiply
    14,629.28x = 20,188.32 × 8,341.52
  4. Step 4: Simplify right side
    14,629.28x = 168,401,275.05
  5. Step 5: Solve for x
    x = 168,401,275.05/14,629.28
  6. Step 6: Final answer
    x = 11,511.25

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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.