Home / 23,881.36-32,913.44-19,419.88

Finding the Fourth Proportional to 23,881.36, 32,913.44 and 19,419.88

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Solution

The fourth proportional to 23,881.36, 32,913.44 and 19,419.88 is: 26,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,881.36 : 32,913.44 = 19,419.88 : x
  2. Step 2: Convert to fraction form
    23,881.36/32,913.44 = 19,419.88/x
  3. Step 3: Cross multiply
    23,881.36x = 32,913.44 × 19,419.88
  4. Step 4: Simplify right side
    23,881.36x = 639,175,055.19
  5. Step 5: Solve for x
    x = 639,175,055.19/23,881.36
  6. Step 6: Final answer
    x = 26,764.60

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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.