Home / 15,603.34-23,418.59-8,589.82

Finding the Fourth Proportional to 15,603.34, 23,418.59 and 8,589.82

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Solution

The fourth proportional to 15,603.34, 23,418.59 and 8,589.82 is: 12,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603.34 : 23,418.59 = 8,589.82 : x
  2. Step 2: Convert to fraction form
    15,603.34/23,418.59 = 8,589.82/x
  3. Step 3: Cross multiply
    15,603.34x = 23,418.59 × 8,589.82
  4. Step 4: Simplify right side
    15,603.34x = 201,161,472.75
  5. Step 5: Solve for x
    x = 201,161,472.75/15,603.34
  6. Step 6: Final answer
    x = 12,892.21

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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.