Home / 25,181.89-37,723.59-19,309.79

Finding the Fourth Proportional to 25,181.89, 37,723.59 and 19,309.79

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Solution

The fourth proportional to 25,181.89, 37,723.59 and 19,309.79 is: 28,926.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,181.89 : 37,723.59 = 19,309.79 : x
  2. Step 2: Convert to fraction form
    25,181.89/37,723.59 = 19,309.79/x
  3. Step 3: Cross multiply
    25,181.89x = 37,723.59 × 19,309.79
  4. Step 4: Simplify right side
    25,181.89x = 728,434,695.26
  5. Step 5: Solve for x
    x = 728,434,695.26/25,181.89
  6. Step 6: Final answer
    x = 28,926.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.