Home / 13,968.16-19,253.62-12,823.64

Finding the Fourth Proportional to 13,968.16, 19,253.62 and 12,823.64

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Solution

The fourth proportional to 13,968.16, 19,253.62 and 12,823.64 is: 17,676.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.16 : 19,253.62 = 12,823.64 : x
  2. Step 2: Convert to fraction form
    13,968.16/19,253.62 = 12,823.64/x
  3. Step 3: Cross multiply
    13,968.16x = 19,253.62 × 12,823.64
  4. Step 4: Simplify right side
    13,968.16x = 246,901,491.58
  5. Step 5: Solve for x
    x = 246,901,491.58/13,968.16
  6. Step 6: Final answer
    x = 17,676.02

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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.