Home / 21,922.06-32,884.90-7,130.66

Finding the Fourth Proportional to 21,922.06, 32,884.90 and 7,130.66

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Solution

The fourth proportional to 21,922.06, 32,884.90 and 7,130.66 is: 10,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,922.06 : 32,884.90 = 7,130.66 : x
  2. Step 2: Convert to fraction form
    21,922.06/32,884.90 = 7,130.66/x
  3. Step 3: Cross multiply
    21,922.06x = 32,884.90 × 7,130.66
  4. Step 4: Simplify right side
    21,922.06x = 234,491,041.03
  5. Step 5: Solve for x
    x = 234,491,041.03/21,922.06
  6. Step 6: Final answer
    x = 10,696.58

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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.