Home / 14,376.94-19,839.42-8,089.72

Finding the Fourth Proportional to 14,376.94, 19,839.42 and 8,089.72

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Solution

The fourth proportional to 14,376.94, 19,839.42 and 8,089.72 is: 11,163.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,376.94 : 19,839.42 = 8,089.72 : x
  2. Step 2: Convert to fraction form
    14,376.94/19,839.42 = 8,089.72/x
  3. Step 3: Cross multiply
    14,376.94x = 19,839.42 × 8,089.72
  4. Step 4: Simplify right side
    14,376.94x = 160,495,352.76
  5. Step 5: Solve for x
    x = 160,495,352.76/14,376.94
  6. Step 6: Final answer
    x = 11,163.39

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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.