Home / 15,782.86-23,668.13-5,916.75

Finding the Fourth Proportional to 15,782.86, 23,668.13 and 5,916.75

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Solution

The fourth proportional to 15,782.86, 23,668.13 and 5,916.75 is: 8,872.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.86 : 23,668.13 = 5,916.75 : x
  2. Step 2: Convert to fraction form
    15,782.86/23,668.13 = 5,916.75/x
  3. Step 3: Cross multiply
    15,782.86x = 23,668.13 × 5,916.75
  4. Step 4: Simplify right side
    15,782.86x = 140,038,408.18
  5. Step 5: Solve for x
    x = 140,038,408.18/15,782.86
  6. Step 6: Final answer
    x = 8,872.82

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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.