Home / 14,045.43-19,382.31-7,672.19

Finding the Fourth Proportional to 14,045.43, 19,382.31 and 7,672.19

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Solution

The fourth proportional to 14,045.43, 19,382.31 and 7,672.19 is: 10,587.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.43 : 19,382.31 = 7,672.19 : x
  2. Step 2: Convert to fraction form
    14,045.43/19,382.31 = 7,672.19/x
  3. Step 3: Cross multiply
    14,045.43x = 19,382.31 × 7,672.19
  4. Step 4: Simplify right side
    14,045.43x = 148,704,813.41
  5. Step 5: Solve for x
    x = 148,704,813.41/14,045.43
  6. Step 6: Final answer
    x = 10,587.42

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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.