Home / 19,716.06-29,585.88-7,867.74

Finding the Fourth Proportional to 19,716.06, 29,585.88 and 7,867.74

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Solution

The fourth proportional to 19,716.06, 29,585.88 and 7,867.74 is: 11,806.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716.06 : 29,585.88 = 7,867.74 : x
  2. Step 2: Convert to fraction form
    19,716.06/29,585.88 = 7,867.74/x
  3. Step 3: Cross multiply
    19,716.06x = 29,585.88 × 7,867.74
  4. Step 4: Simplify right side
    19,716.06x = 232,774,011.51
  5. Step 5: Solve for x
    x = 232,774,011.51/19,716.06
  6. Step 6: Final answer
    x = 11,806.31

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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.