Home / 14,681.43-20,261.01-8,393.82

Finding the Fourth Proportional to 14,681.43, 20,261.01 and 8,393.82

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Solution

The fourth proportional to 14,681.43, 20,261.01 and 8,393.82 is: 11,583.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.43 : 20,261.01 = 8,393.82 : x
  2. Step 2: Convert to fraction form
    14,681.43/20,261.01 = 8,393.82/x
  3. Step 3: Cross multiply
    14,681.43x = 20,261.01 × 8,393.82
  4. Step 4: Simplify right side
    14,681.43x = 170,067,270.96
  5. Step 5: Solve for x
    x = 170,067,270.96/14,681.43
  6. Step 6: Final answer
    x = 11,583.84

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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.