Home / 13,332.90-20,011.64-6,763.68

Finding the Fourth Proportional to 13,332.90, 20,011.64 and 6,763.68

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Solution

The fourth proportional to 13,332.90, 20,011.64 and 6,763.68 is: 10,151.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.90 : 20,011.64 = 6,763.68 : x
  2. Step 2: Convert to fraction form
    13,332.90/20,011.64 = 6,763.68/x
  3. Step 3: Cross multiply
    13,332.90x = 20,011.64 × 6,763.68
  4. Step 4: Simplify right side
    13,332.90x = 135,352,329.24
  5. Step 5: Solve for x
    x = 135,352,329.24/13,332.90
  6. Step 6: Final answer
    x = 10,151.75

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1.5x scale

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.