Home / 21,968.49-32,947.80-10,110.90

Finding the Fourth Proportional to 21,968.49, 32,947.80 and 10,110.90

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Solution

The fourth proportional to 21,968.49, 32,947.80 and 10,110.90 is: 15,164.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,968.49 : 32,947.80 = 10,110.90 : x
  2. Step 2: Convert to fraction form
    21,968.49/32,947.80 = 10,110.90/x
  3. Step 3: Cross multiply
    21,968.49x = 32,947.80 × 10,110.90
  4. Step 4: Simplify right side
    21,968.49x = 333,131,911.02
  5. Step 5: Solve for x
    x = 333,131,911.02/21,968.49
  6. Step 6: Final answer
    x = 15,164.08

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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.