Home / 15,968.94-22,039.14-9,165.48

Finding the Fourth Proportional to 15,968.94, 22,039.14 and 9,165.48

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Solution

The fourth proportional to 15,968.94, 22,039.14 and 9,165.48 is: 12,649.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,968.94 : 22,039.14 = 9,165.48 : x
  2. Step 2: Convert to fraction form
    15,968.94/22,039.14 = 9,165.48/x
  3. Step 3: Cross multiply
    15,968.94x = 22,039.14 × 9,165.48
  4. Step 4: Simplify right side
    15,968.94x = 201,999,296.89
  5. Step 5: Solve for x
    x = 201,999,296.89/15,968.94
  6. Step 6: Final answer
    x = 12,649.51

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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.