Home / 21,623.21-32,423.28-11,088.96

Finding the Fourth Proportional to 21,623.21, 32,423.28 and 11,088.96

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Solution

The fourth proportional to 21,623.21, 32,423.28 and 11,088.96 is: 16,627.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,623.21 : 32,423.28 = 11,088.96 : x
  2. Step 2: Convert to fraction form
    21,623.21/32,423.28 = 11,088.96/x
  3. Step 3: Cross multiply
    21,623.21x = 32,423.28 × 11,088.96
  4. Step 4: Simplify right side
    21,623.21x = 359,540,291.82
  5. Step 5: Solve for x
    x = 359,540,291.82/21,623.21
  6. Step 6: Final answer
    x = 16,627.52

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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.