Home / 14,361.76-21,548.13-5,602.78

Finding the Fourth Proportional to 14,361.76, 21,548.13 and 5,602.78

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Solution

The fourth proportional to 14,361.76, 21,548.13 and 5,602.78 is: 8,406.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,361.76 : 21,548.13 = 5,602.78 : x
  2. Step 2: Convert to fraction form
    14,361.76/21,548.13 = 5,602.78/x
  3. Step 3: Cross multiply
    14,361.76x = 21,548.13 × 5,602.78
  4. Step 4: Simplify right side
    14,361.76x = 120,729,431.80
  5. Step 5: Solve for x
    x = 120,729,431.80/14,361.76
  6. Step 6: Final answer
    x = 8,406.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.