Home / 14,167.56-21,131.82-12,304.02

Finding the Fourth Proportional to 14,167.56, 21,131.82 and 12,304.02

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Solution

The fourth proportional to 14,167.56, 21,131.82 and 12,304.02 is: 18,352.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.56 : 21,131.82 = 12,304.02 : x
  2. Step 2: Convert to fraction form
    14,167.56/21,131.82 = 12,304.02/x
  3. Step 3: Cross multiply
    14,167.56x = 21,131.82 × 12,304.02
  4. Step 4: Simplify right side
    14,167.56x = 260,006,335.92
  5. Step 5: Solve for x
    x = 260,006,335.92/14,167.56
  6. Step 6: Final answer
    x = 18,352.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.