Home / 25,561.47-38,323.07-17,218.07

Finding the Fourth Proportional to 25,561.47, 38,323.07 and 17,218.07

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Solution

The fourth proportional to 25,561.47, 38,323.07 and 17,218.07 is: 25,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,561.47 : 38,323.07 = 17,218.07 : x
  2. Step 2: Convert to fraction form
    25,561.47/38,323.07 = 17,218.07/x
  3. Step 3: Cross multiply
    25,561.47x = 38,323.07 × 17,218.07
  4. Step 4: Simplify right side
    25,561.47x = 659,849,329.30
  5. Step 5: Solve for x
    x = 659,849,329.30/25,561.47
  6. Step 6: Final answer
    x = 25,814.21

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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.