Home / 12,716.49-19,070.84-8,792.96

Finding the Fourth Proportional to 12,716.49, 19,070.84 and 8,792.96

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Solution

The fourth proportional to 12,716.49, 19,070.84 and 8,792.96 is: 13,186.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716.49 : 19,070.84 = 8,792.96 : x
  2. Step 2: Convert to fraction form
    12,716.49/19,070.84 = 8,792.96/x
  3. Step 3: Cross multiply
    12,716.49x = 19,070.84 × 8,792.96
  4. Step 4: Simplify right side
    12,716.49x = 167,689,065.48
  5. Step 5: Solve for x
    x = 167,689,065.48/12,716.49
  6. Step 6: Final answer
    x = 13,186.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.