Home / 13,124.66-19,670.52-10,340.36

Finding the Fourth Proportional to 13,124.66, 19,670.52 and 10,340.36

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Solution

The fourth proportional to 13,124.66, 19,670.52 and 10,340.36 is: 15,497.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.66 : 19,670.52 = 10,340.36 : x
  2. Step 2: Convert to fraction form
    13,124.66/19,670.52 = 10,340.36/x
  3. Step 3: Cross multiply
    13,124.66x = 19,670.52 × 10,340.36
  4. Step 4: Simplify right side
    13,124.66x = 203,400,258.19
  5. Step 5: Solve for x
    x = 203,400,258.19/13,124.66
  6. Step 6: Final answer
    x = 15,497.56

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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.