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Finding the Fourth Proportional to 14,900.86, 20,588.08 and 12,412.54

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Solution

The fourth proportional to 14,900.86, 20,588.08 and 12,412.54 is: 17,150.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.86 : 20,588.08 = 12,412.54 : x
  2. Step 2: Convert to fraction form
    14,900.86/20,588.08 = 12,412.54/x
  3. Step 3: Cross multiply
    14,900.86x = 20,588.08 × 12,412.54
  4. Step 4: Simplify right side
    14,900.86x = 255,550,366.52
  5. Step 5: Solve for x
    x = 255,550,366.52/14,900.86
  6. Step 6: Final answer
    x = 17,150.04

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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.