Home / 21,402.54-32,107.26-6,607.99

Finding the Fourth Proportional to 21,402.54, 32,107.26 and 6,607.99

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Solution

The fourth proportional to 21,402.54, 32,107.26 and 6,607.99 is: 9,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402.54 : 32,107.26 = 6,607.99 : x
  2. Step 2: Convert to fraction form
    21,402.54/32,107.26 = 6,607.99/x
  3. Step 3: Cross multiply
    21,402.54x = 32,107.26 × 6,607.99
  4. Step 4: Simplify right side
    21,402.54x = 212,164,453.01
  5. Step 5: Solve for x
    x = 212,164,453.01/21,402.54
  6. Step 6: Final answer
    x = 9,913.05

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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.