Home / 14,540.40-21,810.60-4,680.45

Finding the Fourth Proportional to 14,540.40, 21,810.60 and 4,680.45

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Solution

The fourth proportional to 14,540.40, 21,810.60 and 4,680.45 is: 7,020.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.40 : 21,810.60 = 4,680.45 : x
  2. Step 2: Convert to fraction form
    14,540.40/21,810.60 = 4,680.45/x
  3. Step 3: Cross multiply
    14,540.40x = 21,810.60 × 4,680.45
  4. Step 4: Simplify right side
    14,540.40x = 102,083,422.77
  5. Step 5: Solve for x
    x = 102,083,422.77/14,540.40
  6. Step 6: Final answer
    x = 7,020.68

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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.