Home / 17,400.52-23,996.40-13,415.32

Finding the Fourth Proportional to 17,400.52, 23,996.40 and 13,415.32

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Solution

The fourth proportional to 17,400.52, 23,996.40 and 13,415.32 is: 18,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,400.52 : 23,996.40 = 13,415.32 : x
  2. Step 2: Convert to fraction form
    17,400.52/23,996.40 = 13,415.32/x
  3. Step 3: Cross multiply
    17,400.52x = 23,996.40 × 13,415.32
  4. Step 4: Simplify right side
    17,400.52x = 321,919,384.85
  5. Step 5: Solve for x
    x = 321,919,384.85/17,400.52
  6. Step 6: Final answer
    x = 18,500.56

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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.