Home / 13,935.39-19,232.49-7,968.22

Finding the Fourth Proportional to 13,935.39, 19,232.49 and 7,968.22

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Solution

The fourth proportional to 13,935.39, 19,232.49 and 7,968.22 is: 10,997.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.39 : 19,232.49 = 7,968.22 : x
  2. Step 2: Convert to fraction form
    13,935.39/19,232.49 = 7,968.22/x
  3. Step 3: Cross multiply
    13,935.39x = 19,232.49 × 7,968.22
  4. Step 4: Simplify right side
    13,935.39x = 153,248,756.63
  5. Step 5: Solve for x
    x = 153,248,756.63/13,935.39
  6. Step 6: Final answer
    x = 10,997.09

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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.