Home / 19,765.24-27,273.42-12,701.20

Finding the Fourth Proportional to 19,765.24, 27,273.42 and 12,701.20

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Solution

The fourth proportional to 19,765.24, 27,273.42 and 12,701.20 is: 17,525.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.24 : 27,273.42 = 12,701.20 : x
  2. Step 2: Convert to fraction form
    19,765.24/27,273.42 = 12,701.20/x
  3. Step 3: Cross multiply
    19,765.24x = 27,273.42 × 12,701.20
  4. Step 4: Simplify right side
    19,765.24x = 346,405,162.10
  5. Step 5: Solve for x
    x = 346,405,162.10/19,765.24
  6. Step 6: Final answer
    x = 17,525.98

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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.