Home / 14,558.31-20,090.54-8,271.03

Finding the Fourth Proportional to 14,558.31, 20,090.54 and 8,271.03

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Solution

The fourth proportional to 14,558.31, 20,090.54 and 8,271.03 is: 11,414.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558.31 : 20,090.54 = 8,271.03 : x
  2. Step 2: Convert to fraction form
    14,558.31/20,090.54 = 8,271.03/x
  3. Step 3: Cross multiply
    14,558.31x = 20,090.54 × 8,271.03
  4. Step 4: Simplify right side
    14,558.31x = 166,169,417.70
  5. Step 5: Solve for x
    x = 166,169,417.70/14,558.31
  6. Step 6: Final answer
    x = 11,414.06

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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.