Home / 13,648.30-18,837.06-13,025.00

Finding the Fourth Proportional to 13,648.30, 18,837.06 and 13,025.00

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Solution

The fourth proportional to 13,648.30, 18,837.06 and 13,025.00 is: 17,976.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,648.30 : 18,837.06 = 13,025.00 : x
  2. Step 2: Convert to fraction form
    13,648.30/18,837.06 = 13,025.00/x
  3. Step 3: Cross multiply
    13,648.30x = 18,837.06 × 13,025.00
  4. Step 4: Simplify right side
    13,648.30x = 245,352,704.75
  5. Step 5: Solve for x
    x = 245,352,704.75/13,648.30
  6. Step 6: Final answer
    x = 17,976.80

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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.