Home / 18,521.60-25,553.48-10,558.08

Finding the Fourth Proportional to 18,521.60, 25,553.48 and 10,558.08

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Solution

The fourth proportional to 18,521.60, 25,553.48 and 10,558.08 is: 14,566.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.60 : 25,553.48 = 10,558.08 : x
  2. Step 2: Convert to fraction form
    18,521.60/25,553.48 = 10,558.08/x
  3. Step 3: Cross multiply
    18,521.60x = 25,553.48 × 10,558.08
  4. Step 4: Simplify right side
    18,521.60x = 269,795,633.33
  5. Step 5: Solve for x
    x = 269,795,633.33/18,521.60
  6. Step 6: Final answer
    x = 14,566.54

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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.