Home / 14,117.64-19,481.70-7,829.88

Finding the Fourth Proportional to 14,117.64, 19,481.70 and 7,829.88

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Solution

The fourth proportional to 14,117.64, 19,481.70 and 7,829.88 is: 10,804.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.64 : 19,481.70 = 7,829.88 : x
  2. Step 2: Convert to fraction form
    14,117.64/19,481.70 = 7,829.88/x
  3. Step 3: Cross multiply
    14,117.64x = 19,481.70 × 7,829.88
  4. Step 4: Simplify right side
    14,117.64x = 152,539,373.20
  5. Step 5: Solve for x
    x = 152,539,373.20/14,117.64
  6. Step 6: Final answer
    x = 10,804.88

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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.