Home / 18,466.63-25,448.38-13,422.86

Finding the Fourth Proportional to 18,466.63, 25,448.38 and 13,422.86

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Solution

The fourth proportional to 18,466.63, 25,448.38 and 13,422.86 is: 18,497.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.63 : 25,448.38 = 13,422.86 : x
  2. Step 2: Convert to fraction form
    18,466.63/25,448.38 = 13,422.86/x
  3. Step 3: Cross multiply
    18,466.63x = 25,448.38 × 13,422.86
  4. Step 4: Simplify right side
    18,466.63x = 341,590,119.75
  5. Step 5: Solve for x
    x = 341,590,119.75/18,466.63
  6. Step 6: Final answer
    x = 18,497.69

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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.