Home / 20,267.24-27,961.08-12,710.36

Finding the Fourth Proportional to 20,267.24, 27,961.08 and 12,710.36

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Solution

The fourth proportional to 20,267.24, 27,961.08 and 12,710.36 is: 17,535.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,267.24 : 27,961.08 = 12,710.36 : x
  2. Step 2: Convert to fraction form
    20,267.24/27,961.08 = 12,710.36/x
  3. Step 3: Cross multiply
    20,267.24x = 27,961.08 × 12,710.36
  4. Step 4: Simplify right side
    20,267.24x = 355,395,392.79
  5. Step 5: Solve for x
    x = 355,395,392.79/20,267.24
  6. Step 6: Final answer
    x = 17,535.46

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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.