Home / 25,003.20-34,502.40-13,824

Finding the Fourth Proportional to 25,003.20, 34,502.40 and 13,824

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Solution

The fourth proportional to 25,003.20, 34,502.40 and 13,824 is: 19,076.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,003.20 : 34,502.40 = 13,824 : x
  2. Step 2: Convert to fraction form
    25,003.20/34,502.40 = 13,824/x
  3. Step 3: Cross multiply
    25,003.20x = 34,502.40 × 13,824
  4. Step 4: Simplify right side
    25,003.20x = 476,961,177.60
  5. Step 5: Solve for x
    x = 476,961,177.60/25,003.20
  6. Step 6: Final answer
    x = 19,076.01

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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.