Home / 21,969.05-32,946.75-7,927.25

Finding the Fourth Proportional to 21,969.05, 32,946.75 and 7,927.25

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Solution

The fourth proportional to 21,969.05, 32,946.75 and 7,927.25 is: 11,888.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,969.05 : 32,946.75 = 7,927.25 : x
  2. Step 2: Convert to fraction form
    21,969.05/32,946.75 = 7,927.25/x
  3. Step 3: Cross multiply
    21,969.05x = 32,946.75 × 7,927.25
  4. Step 4: Simplify right side
    21,969.05x = 261,177,206.30
  5. Step 5: Solve for x
    x = 261,177,206.30/21,969.05
  6. Step 6: Final answer
    x = 11,888.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.