Home / 18,839.64-26,002.31-12,466.36

Finding the Fourth Proportional to 18,839.64, 26,002.31 and 12,466.36

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Solution

The fourth proportional to 18,839.64, 26,002.31 and 12,466.36 is: 17,205.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.64 : 26,002.31 = 12,466.36 : x
  2. Step 2: Convert to fraction form
    18,839.64/26,002.31 = 12,466.36/x
  3. Step 3: Cross multiply
    18,839.64x = 26,002.31 × 12,466.36
  4. Step 4: Simplify right side
    18,839.64x = 324,154,157.29
  5. Step 5: Solve for x
    x = 324,154,157.29/18,839.64
  6. Step 6: Final answer
    x = 17,205.96

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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.