Home / 18,848.56-25,999.50-13,550.56

Finding the Fourth Proportional to 18,848.56, 25,999.50 and 13,550.56

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Solution

The fourth proportional to 18,848.56, 25,999.50 and 13,550.56 is: 18,691.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848.56 : 25,999.50 = 13,550.56 : x
  2. Step 2: Convert to fraction form
    18,848.56/25,999.50 = 13,550.56/x
  3. Step 3: Cross multiply
    18,848.56x = 25,999.50 × 13,550.56
  4. Step 4: Simplify right side
    18,848.56x = 352,307,784.72
  5. Step 5: Solve for x
    x = 352,307,784.72/18,848.56
  6. Step 6: Final answer
    x = 18,691.50

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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.