Home / 17,890.79-24,660.99-13,628.16

Finding the Fourth Proportional to 17,890.79, 24,660.99 and 13,628.16

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Solution

The fourth proportional to 17,890.79, 24,660.99 and 13,628.16 is: 18,785.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.79 : 24,660.99 = 13,628.16 : x
  2. Step 2: Convert to fraction form
    17,890.79/24,660.99 = 13,628.16/x
  3. Step 3: Cross multiply
    17,890.79x = 24,660.99 × 13,628.16
  4. Step 4: Simplify right side
    17,890.79x = 336,083,917.48
  5. Step 5: Solve for x
    x = 336,083,917.48/17,890.79
  6. Step 6: Final answer
    x = 18,785.31

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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.