Home / 14,876.08-20,528.64-8,161.68

Finding the Fourth Proportional to 14,876.08, 20,528.64 and 8,161.68

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Solution

The fourth proportional to 14,876.08, 20,528.64 and 8,161.68 is: 11,262.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,876.08 : 20,528.64 = 8,161.68 : x
  2. Step 2: Convert to fraction form
    14,876.08/20,528.64 = 8,161.68/x
  3. Step 3: Cross multiply
    14,876.08x = 20,528.64 × 8,161.68
  4. Step 4: Simplify right side
    14,876.08x = 167,548,190.52
  5. Step 5: Solve for x
    x = 167,548,190.52/14,876.08
  6. Step 6: Final answer
    x = 11,262.93

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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.