Home / 13,713.04-20,565.31-4,946.81

Finding the Fourth Proportional to 13,713.04, 20,565.31 and 4,946.81

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Solution

The fourth proportional to 13,713.04, 20,565.31 and 4,946.81 is: 7,418.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.04 : 20,565.31 = 4,946.81 : x
  2. Step 2: Convert to fraction form
    13,713.04/20,565.31 = 4,946.81/x
  3. Step 3: Cross multiply
    13,713.04x = 20,565.31 × 4,946.81
  4. Step 4: Simplify right side
    13,713.04x = 101,732,656.43
  5. Step 5: Solve for x
    x = 101,732,656.43/13,713.04
  6. Step 6: Final answer
    x = 7,418.68

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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.