Home / 21,493.56-32,258.12-10,971.36

Finding the Fourth Proportional to 21,493.56, 32,258.12 and 10,971.36

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Solution

The fourth proportional to 21,493.56, 32,258.12 and 10,971.36 is: 16,466.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,493.56 : 32,258.12 = 10,971.36 : x
  2. Step 2: Convert to fraction form
    21,493.56/32,258.12 = 10,971.36/x
  3. Step 3: Cross multiply
    21,493.56x = 32,258.12 × 10,971.36
  4. Step 4: Simplify right side
    21,493.56x = 353,915,392.59
  5. Step 5: Solve for x
    x = 353,915,392.59/21,493.56
  6. Step 6: Final answer
    x = 16,466.11

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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.