Home / 21,583.64-32,328.45-10,466.78

Finding the Fourth Proportional to 21,583.64, 32,328.45 and 10,466.78

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Solution

The fourth proportional to 21,583.64, 32,328.45 and 10,466.78 is: 15,677.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,583.64 : 32,328.45 = 10,466.78 : x
  2. Step 2: Convert to fraction form
    21,583.64/32,328.45 = 10,466.78/x
  3. Step 3: Cross multiply
    21,583.64x = 32,328.45 × 10,466.78
  4. Step 4: Simplify right side
    21,583.64x = 338,374,773.89
  5. Step 5: Solve for x
    x = 338,374,773.89/21,583.64
  6. Step 6: Final answer
    x = 15,677.37

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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.