Home / 25,090.91-37,642.70-17,709.79

Finding the Fourth Proportional to 25,090.91, 37,642.70 and 17,709.79

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Solution

The fourth proportional to 25,090.91, 37,642.70 and 17,709.79 is: 26,569.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,090.91 : 37,642.70 = 17,709.79 : x
  2. Step 2: Convert to fraction form
    25,090.91/37,642.70 = 17,709.79/x
  3. Step 3: Cross multiply
    25,090.91x = 37,642.70 × 17,709.79
  4. Step 4: Simplify right side
    25,090.91x = 666,644,129.38
  5. Step 5: Solve for x
    x = 666,644,129.38/25,090.91
  6. Step 6: Final answer
    x = 26,569.15

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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.