Home / 14,264.44-19,685.16-7,891.36

Finding the Fourth Proportional to 14,264.44, 19,685.16 and 7,891.36

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Solution

The fourth proportional to 14,264.44, 19,685.16 and 7,891.36 is: 10,890.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,264.44 : 19,685.16 = 7,891.36 : x
  2. Step 2: Convert to fraction form
    14,264.44/19,685.16 = 7,891.36/x
  3. Step 3: Cross multiply
    14,264.44x = 19,685.16 × 7,891.36
  4. Step 4: Simplify right side
    14,264.44x = 155,342,684.22
  5. Step 5: Solve for x
    x = 155,342,684.22/14,264.44
  6. Step 6: Final answer
    x = 10,890.21

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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.