Home / 13,722.84-20,587.68-6,332.45

Finding the Fourth Proportional to 13,722.84, 20,587.68 and 6,332.45

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Solution

The fourth proportional to 13,722.84, 20,587.68 and 6,332.45 is: 9,500.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722.84 : 20,587.68 = 6,332.45 : x
  2. Step 2: Convert to fraction form
    13,722.84/20,587.68 = 6,332.45/x
  3. Step 3: Cross multiply
    13,722.84x = 20,587.68 × 6,332.45
  4. Step 4: Simplify right side
    13,722.84x = 130,370,454.22
  5. Step 5: Solve for x
    x = 130,370,454.22/13,722.84
  6. Step 6: Final answer
    x = 9,500.25

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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.