Home / 18,644.13-25,695.09-13,600.26

Finding the Fourth Proportional to 18,644.13, 25,695.09 and 13,600.26

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Solution

The fourth proportional to 18,644.13, 25,695.09 and 13,600.26 is: 18,743.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,644.13 : 25,695.09 = 13,600.26 : x
  2. Step 2: Convert to fraction form
    18,644.13/25,695.09 = 13,600.26/x
  3. Step 3: Cross multiply
    18,644.13x = 25,695.09 × 13,600.26
  4. Step 4: Simplify right side
    18,644.13x = 349,459,904.72
  5. Step 5: Solve for x
    x = 349,459,904.72/18,644.13
  6. Step 6: Final answer
    x = 18,743.70

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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.