Home / 14,307.75-19,744.70-8,020.26

Finding the Fourth Proportional to 14,307.75, 19,744.70 and 8,020.26

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Solution

The fourth proportional to 14,307.75, 19,744.70 and 8,020.26 is: 11,067.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.75 : 19,744.70 = 8,020.26 : x
  2. Step 2: Convert to fraction form
    14,307.75/19,744.70 = 8,020.26/x
  3. Step 3: Cross multiply
    14,307.75x = 19,744.70 × 8,020.26
  4. Step 4: Simplify right side
    14,307.75x = 158,357,587.52
  5. Step 5: Solve for x
    x = 158,357,587.52/14,307.75
  6. Step 6: Final answer
    x = 11,067.96

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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.