Home / 21,701.22-32,487.75-16,178.82

Finding the Fourth Proportional to 21,701.22, 32,487.75 and 16,178.82

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Solution

The fourth proportional to 21,701.22, 32,487.75 and 16,178.82 is: 24,220.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,701.22 : 32,487.75 = 16,178.82 : x
  2. Step 2: Convert to fraction form
    21,701.22/32,487.75 = 16,178.82/x
  3. Step 3: Cross multiply
    21,701.22x = 32,487.75 × 16,178.82
  4. Step 4: Simplify right side
    21,701.22x = 525,613,459.46
  5. Step 5: Solve for x
    x = 525,613,459.46/21,701.22
  6. Step 6: Final answer
    x = 24,220.46

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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.