Home / 23,053.81-31,813.40-12,844.60

Finding the Fourth Proportional to 23,053.81, 31,813.40 and 12,844.60

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Solution

The fourth proportional to 23,053.81, 31,813.40 and 12,844.60 is: 17,725.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,053.81 : 31,813.40 = 12,844.60 : x
  2. Step 2: Convert to fraction form
    23,053.81/31,813.40 = 12,844.60/x
  3. Step 3: Cross multiply
    23,053.81x = 31,813.40 × 12,844.60
  4. Step 4: Simplify right side
    23,053.81x = 408,630,397.64
  5. Step 5: Solve for x
    x = 408,630,397.64/23,053.81
  6. Step 6: Final answer
    x = 17,725.07

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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.