Home / 14,550.08-20,078.57-8,894.30

Finding the Fourth Proportional to 14,550.08, 20,078.57 and 8,894.30

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Solution

The fourth proportional to 14,550.08, 20,078.57 and 8,894.30 is: 12,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.08 : 20,078.57 = 8,894.30 : x
  2. Step 2: Convert to fraction form
    14,550.08/20,078.57 = 8,894.30/x
  3. Step 3: Cross multiply
    14,550.08x = 20,078.57 × 8,894.30
  4. Step 4: Simplify right side
    14,550.08x = 178,584,746.99
  5. Step 5: Solve for x
    x = 178,584,746.99/14,550.08
  6. Step 6: Final answer
    x = 12,273.80

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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.