Home / 14,633.29-20,193.78-7,918.76

Finding the Fourth Proportional to 14,633.29, 20,193.78 and 7,918.76

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Solution

The fourth proportional to 14,633.29, 20,193.78 and 7,918.76 is: 10,927.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,633.29 : 20,193.78 = 7,918.76 : x
  2. Step 2: Convert to fraction form
    14,633.29/20,193.78 = 7,918.76/x
  3. Step 3: Cross multiply
    14,633.29x = 20,193.78 × 7,918.76
  4. Step 4: Simplify right side
    14,633.29x = 159,909,732.95
  5. Step 5: Solve for x
    x = 159,909,732.95/14,633.29
  6. Step 6: Final answer
    x = 10,927.81

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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.