Home / 15,219.81-22,828.05-4,126.05

Finding the Fourth Proportional to 15,219.81, 22,828.05 and 4,126.05

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Solution

The fourth proportional to 15,219.81, 22,828.05 and 4,126.05 is: 6,188.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,219.81 : 22,828.05 = 4,126.05 : x
  2. Step 2: Convert to fraction form
    15,219.81/22,828.05 = 4,126.05/x
  3. Step 3: Cross multiply
    15,219.81x = 22,828.05 × 4,126.05
  4. Step 4: Simplify right side
    15,219.81x = 94,189,675.70
  5. Step 5: Solve for x
    x = 94,189,675.70/15,219.81
  6. Step 6: Final answer
    x = 6,188.62

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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.