Home / 17,315.74-25,967.13-13,661.02

Finding the Fourth Proportional to 17,315.74, 25,967.13 and 13,661.02

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Solution

The fourth proportional to 17,315.74, 25,967.13 and 13,661.02 is: 20,486.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,315.74 : 25,967.13 = 13,661.02 : x
  2. Step 2: Convert to fraction form
    17,315.74/25,967.13 = 13,661.02/x
  3. Step 3: Cross multiply
    17,315.74x = 25,967.13 × 13,661.02
  4. Step 4: Simplify right side
    17,315.74x = 354,737,482.27
  5. Step 5: Solve for x
    x = 354,737,482.27/17,315.74
  6. Step 6: Final answer
    x = 20,486.42

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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.