Home / 18,181.30-25,102.62-13,924.84

Finding the Fourth Proportional to 18,181.30, 25,102.62 and 13,924.84

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Solution

The fourth proportional to 18,181.30, 25,102.62 and 13,924.84 is: 19,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.30 : 25,102.62 = 13,924.84 : x
  2. Step 2: Convert to fraction form
    18,181.30/25,102.62 = 13,924.84/x
  3. Step 3: Cross multiply
    18,181.30x = 25,102.62 × 13,924.84
  4. Step 4: Simplify right side
    18,181.30x = 349,549,967.08
  5. Step 5: Solve for x
    x = 349,549,967.08/18,181.30
  6. Step 6: Final answer
    x = 19,225.80

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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.