Home / 23,015.75-31,764.14-14,069.21

Finding the Fourth Proportional to 23,015.75, 31,764.14 and 14,069.21

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Solution

The fourth proportional to 23,015.75, 31,764.14 and 14,069.21 is: 19,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,015.75 : 31,764.14 = 14,069.21 : x
  2. Step 2: Convert to fraction form
    23,015.75/31,764.14 = 14,069.21/x
  3. Step 3: Cross multiply
    23,015.75x = 31,764.14 × 14,069.21
  4. Step 4: Simplify right side
    23,015.75x = 446,896,126.96
  5. Step 5: Solve for x
    x = 446,896,126.96/23,015.75
  6. Step 6: Final answer
    x = 19,416.97

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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.