Home / 14,162.09-19,541.94-7,787.63

Finding the Fourth Proportional to 14,162.09, 19,541.94 and 7,787.63

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Solution

The fourth proportional to 14,162.09, 19,541.94 and 7,787.63 is: 10,745.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,162.09 : 19,541.94 = 7,787.63 : x
  2. Step 2: Convert to fraction form
    14,162.09/19,541.94 = 7,787.63/x
  3. Step 3: Cross multiply
    14,162.09x = 19,541.94 × 7,787.63
  4. Step 4: Simplify right side
    14,162.09x = 152,185,398.20
  5. Step 5: Solve for x
    x = 152,185,398.20/14,162.09
  6. Step 6: Final answer
    x = 10,745.97

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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.