Home / 14,079.36-19,428.48-8,110.80

Finding the Fourth Proportional to 14,079.36, 19,428.48 and 8,110.80

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Solution

The fourth proportional to 14,079.36, 19,428.48 and 8,110.80 is: 11,192.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.36 : 19,428.48 = 8,110.80 : x
  2. Step 2: Convert to fraction form
    14,079.36/19,428.48 = 8,110.80/x
  3. Step 3: Cross multiply
    14,079.36x = 19,428.48 × 8,110.80
  4. Step 4: Simplify right side
    14,079.36x = 157,580,515.58
  5. Step 5: Solve for x
    x = 157,580,515.58/14,079.36
  6. Step 6: Final answer
    x = 11,192.31

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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.