Home / 14,045.45-19,382.73-8,077.00

Finding the Fourth Proportional to 14,045.45, 19,382.73 and 8,077.00

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Solution

The fourth proportional to 14,045.45, 19,382.73 and 8,077.00 is: 11,146.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.45 : 19,382.73 = 8,077.00 : x
  2. Step 2: Convert to fraction form
    14,045.45/19,382.73 = 8,077.00/x
  3. Step 3: Cross multiply
    14,045.45x = 19,382.73 × 8,077.00
  4. Step 4: Simplify right side
    14,045.45x = 156,554,241.56
  5. Step 5: Solve for x
    x = 156,554,241.56/14,045.45
  6. Step 6: Final answer
    x = 11,146.26

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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.