Home / 14,339.16-19,788.12-7,965.77

Finding the Fourth Proportional to 14,339.16, 19,788.12 and 7,965.77

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Solution

The fourth proportional to 14,339.16, 19,788.12 and 7,965.77 is: 10,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.16 : 19,788.12 = 7,965.77 : x
  2. Step 2: Convert to fraction form
    14,339.16/19,788.12 = 7,965.77/x
  3. Step 3: Cross multiply
    14,339.16x = 19,788.12 × 7,965.77
  4. Step 4: Simplify right side
    14,339.16x = 157,627,513.71
  5. Step 5: Solve for x
    x = 157,627,513.71/14,339.16
  6. Step 6: Final answer
    x = 10,992.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.