Home / 14,149.64-19,528.20-8,182.77

Finding the Fourth Proportional to 14,149.64, 19,528.20 and 8,182.77

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Solution

The fourth proportional to 14,149.64, 19,528.20 and 8,182.77 is: 11,293.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.64 : 19,528.20 = 8,182.77 : x
  2. Step 2: Convert to fraction form
    14,149.64/19,528.20 = 8,182.77/x
  3. Step 3: Cross multiply
    14,149.64x = 19,528.20 × 8,182.77
  4. Step 4: Simplify right side
    14,149.64x = 159,794,769.11
  5. Step 5: Solve for x
    x = 159,794,769.11/14,149.64
  6. Step 6: Final answer
    x = 11,293.21

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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.