Home / 13,259.44-19,968.10-11,548.72

Finding the Fourth Proportional to 13,259.44, 19,968.10 and 11,548.72

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Solution

The fourth proportional to 13,259.44, 19,968.10 and 11,548.72 is: 17,391.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.44 : 19,968.10 = 11,548.72 : x
  2. Step 2: Convert to fraction form
    13,259.44/19,968.10 = 11,548.72/x
  3. Step 3: Cross multiply
    13,259.44x = 19,968.10 × 11,548.72
  4. Step 4: Simplify right side
    13,259.44x = 230,605,995.83
  5. Step 5: Solve for x
    x = 230,605,995.83/13,259.44
  6. Step 6: Final answer
    x = 17,391.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.