Home / 13,835.17-19,092.32-7,784.95

Finding the Fourth Proportional to 13,835.17, 19,092.32 and 7,784.95

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Solution

The fourth proportional to 13,835.17, 19,092.32 and 7,784.95 is: 10,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.17 : 19,092.32 = 7,784.95 : x
  2. Step 2: Convert to fraction form
    13,835.17/19,092.32 = 7,784.95/x
  3. Step 3: Cross multiply
    13,835.17x = 19,092.32 × 7,784.95
  4. Step 4: Simplify right side
    13,835.17x = 148,632,756.58
  5. Step 5: Solve for x
    x = 148,632,756.58/13,835.17
  6. Step 6: Final answer
    x = 10,743.11

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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.