Home / 13,707.92-20,570.04-4,943.45

Finding the Fourth Proportional to 13,707.92, 20,570.04 and 4,943.45

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Solution

The fourth proportional to 13,707.92, 20,570.04 and 4,943.45 is: 7,418.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707.92 : 20,570.04 = 4,943.45 : x
  2. Step 2: Convert to fraction form
    13,707.92/20,570.04 = 4,943.45/x
  3. Step 3: Cross multiply
    13,707.92x = 20,570.04 × 4,943.45
  4. Step 4: Simplify right side
    13,707.92x = 101,686,861.39
  5. Step 5: Solve for x
    x = 101,686,861.39/13,707.92
  6. Step 6: Final answer
    x = 7,418.11

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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.