Home / 19,562.40-26,977.92-13,090.56

Finding the Fourth Proportional to 19,562.40, 26,977.92 and 13,090.56

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Solution

The fourth proportional to 19,562.40, 26,977.92 and 13,090.56 is: 18,052.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,562.40 : 26,977.92 = 13,090.56 : x
  2. Step 2: Convert to fraction form
    19,562.40/26,977.92 = 13,090.56/x
  3. Step 3: Cross multiply
    19,562.40x = 26,977.92 × 13,090.56
  4. Step 4: Simplify right side
    19,562.40x = 353,156,080.44
  5. Step 5: Solve for x
    x = 353,156,080.44/19,562.40
  6. Step 6: Final answer
    x = 18,052.80

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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.