Home / 23,276.18-32,121.82-12,666.50

Finding the Fourth Proportional to 23,276.18, 32,121.82 and 12,666.50

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Solution

The fourth proportional to 23,276.18, 32,121.82 and 12,666.50 is: 17,480.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,276.18 : 32,121.82 = 12,666.50 : x
  2. Step 2: Convert to fraction form
    23,276.18/32,121.82 = 12,666.50/x
  3. Step 3: Cross multiply
    23,276.18x = 32,121.82 × 12,666.50
  4. Step 4: Simplify right side
    23,276.18x = 406,871,033.03
  5. Step 5: Solve for x
    x = 406,871,033.03/23,276.18
  6. Step 6: Final answer
    x = 17,480.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.