Home / 14,634.32-20,195.33-7,920.06

Finding the Fourth Proportional to 14,634.32, 20,195.33 and 7,920.06

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Solution

The fourth proportional to 14,634.32, 20,195.33 and 7,920.06 is: 10,929.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,634.32 : 20,195.33 = 7,920.06 : x
  2. Step 2: Convert to fraction form
    14,634.32/20,195.33 = 7,920.06/x
  3. Step 3: Cross multiply
    14,634.32x = 20,195.33 × 7,920.06
  4. Step 4: Simplify right side
    14,634.32x = 159,948,185.72
  5. Step 5: Solve for x
    x = 159,948,185.72/14,634.32
  6. Step 6: Final answer
    x = 10,929.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.