Home / 13,983.64-19,295.42-8,676.52

Finding the Fourth Proportional to 13,983.64, 19,295.42 and 8,676.52

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Solution

The fourth proportional to 13,983.64, 19,295.42 and 8,676.52 is: 11,972.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.64 : 19,295.42 = 8,676.52 : x
  2. Step 2: Convert to fraction form
    13,983.64/19,295.42 = 8,676.52/x
  3. Step 3: Cross multiply
    13,983.64x = 19,295.42 × 8,676.52
  4. Step 4: Simplify right side
    13,983.64x = 167,417,005.92
  5. Step 5: Solve for x
    x = 167,417,005.92/13,983.64
  6. Step 6: Final answer
    x = 11,972.35

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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.