Home / 14,580.12-21,837.30-6,772.50

Finding the Fourth Proportional to 14,580.12, 21,837.30 and 6,772.50

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Solution

The fourth proportional to 14,580.12, 21,837.30 and 6,772.50 is: 10,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580.12 : 21,837.30 = 6,772.50 : x
  2. Step 2: Convert to fraction form
    14,580.12/21,837.30 = 6,772.50/x
  3. Step 3: Cross multiply
    14,580.12x = 21,837.30 × 6,772.50
  4. Step 4: Simplify right side
    14,580.12x = 147,893,114.25
  5. Step 5: Solve for x
    x = 147,893,114.25/14,580.12
  6. Step 6: Final answer
    x = 10,143.48

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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.