Home / 14,681.88-20,261.14-7,967.56

Finding the Fourth Proportional to 14,681.88, 20,261.14 and 7,967.56

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Solution

The fourth proportional to 14,681.88, 20,261.14 and 7,967.56 is: 10,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.88 : 20,261.14 = 7,967.56 : x
  2. Step 2: Convert to fraction form
    14,681.88/20,261.14 = 7,967.56/x
  3. Step 3: Cross multiply
    14,681.88x = 20,261.14 × 7,967.56
  4. Step 4: Simplify right side
    14,681.88x = 161,431,944.62
  5. Step 5: Solve for x
    x = 161,431,944.62/14,681.88
  6. Step 6: Final answer
    x = 10,995.32

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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.