Home / 14,876.79-22,307.33-7,860.57

Finding the Fourth Proportional to 14,876.79, 22,307.33 and 7,860.57

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Solution

The fourth proportional to 14,876.79, 22,307.33 and 7,860.57 is: 11,786.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,876.79 : 22,307.33 = 7,860.57 : x
  2. Step 2: Convert to fraction form
    14,876.79/22,307.33 = 7,860.57/x
  3. Step 3: Cross multiply
    14,876.79x = 22,307.33 × 7,860.57
  4. Step 4: Simplify right side
    14,876.79x = 175,348,289.68
  5. Step 5: Solve for x
    x = 175,348,289.68/14,876.79
  6. Step 6: Final answer
    x = 11,786.70

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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.