Home / 19,429.25-26,811.32-11,468.57

Finding the Fourth Proportional to 19,429.25, 26,811.32 and 11,468.57

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Solution

The fourth proportional to 19,429.25, 26,811.32 and 11,468.57 is: 15,826.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,429.25 : 26,811.32 = 11,468.57 : x
  2. Step 2: Convert to fraction form
    19,429.25/26,811.32 = 11,468.57/x
  3. Step 3: Cross multiply
    19,429.25x = 26,811.32 × 11,468.57
  4. Step 4: Simplify right side
    19,429.25x = 307,487,308.81
  5. Step 5: Solve for x
    x = 307,487,308.81/19,429.25
  6. Step 6: Final answer
    x = 15,826.00

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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.