Home / 14,077.75-19,434.31-8,108.27

Finding the Fourth Proportional to 14,077.75, 19,434.31 and 8,108.27

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Solution

The fourth proportional to 14,077.75, 19,434.31 and 8,108.27 is: 11,193.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.75 : 19,434.31 = 8,108.27 : x
  2. Step 2: Convert to fraction form
    14,077.75/19,434.31 = 8,108.27/x
  3. Step 3: Cross multiply
    14,077.75x = 19,434.31 × 8,108.27
  4. Step 4: Simplify right side
    14,077.75x = 157,578,633.79
  5. Step 5: Solve for x
    x = 157,578,633.79/14,077.75
  6. Step 6: Final answer
    x = 11,193.45

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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.