Home / 14,712.63-20,304.23-8,427.03

Finding the Fourth Proportional to 14,712.63, 20,304.23 and 8,427.03

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Solution

The fourth proportional to 14,712.63, 20,304.23 and 8,427.03 is: 11,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.63 : 20,304.23 = 8,427.03 : x
  2. Step 2: Convert to fraction form
    14,712.63/20,304.23 = 8,427.03/x
  3. Step 3: Cross multiply
    14,712.63x = 20,304.23 × 8,427.03
  4. Step 4: Simplify right side
    14,712.63x = 171,104,355.34
  5. Step 5: Solve for x
    x = 171,104,355.34/14,712.63
  6. Step 6: Final answer
    x = 11,629.76

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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.