Home / 14,875.93-20,528.99-8,161.44

Finding the Fourth Proportional to 14,875.93, 20,528.99 and 8,161.44

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Solution

The fourth proportional to 14,875.93, 20,528.99 and 8,161.44 is: 11,262.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.93 : 20,528.99 = 8,161.44 : x
  2. Step 2: Convert to fraction form
    14,875.93/20,528.99 = 8,161.44/x
  3. Step 3: Cross multiply
    14,875.93x = 20,528.99 × 8,161.44
  4. Step 4: Simplify right side
    14,875.93x = 167,546,078.87
  5. Step 5: Solve for x
    x = 167,546,078.87/14,875.93
  6. Step 6: Final answer
    x = 11,262.90

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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.