Home / 15,977.49-23,969.31-7,212.41

Finding the Fourth Proportional to 15,977.49, 23,969.31 and 7,212.41

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Solution

The fourth proportional to 15,977.49, 23,969.31 and 7,212.41 is: 10,820.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.49 : 23,969.31 = 7,212.41 : x
  2. Step 2: Convert to fraction form
    15,977.49/23,969.31 = 7,212.41/x
  3. Step 3: Cross multiply
    15,977.49x = 23,969.31 × 7,212.41
  4. Step 4: Simplify right side
    15,977.49x = 172,876,371.29
  5. Step 5: Solve for x
    x = 172,876,371.29/15,977.49
  6. Step 6: Final answer
    x = 10,820.00

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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.