Home / 20,035.96-27,651.17-12,482.51

Finding the Fourth Proportional to 20,035.96, 27,651.17 and 12,482.51

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Solution

The fourth proportional to 20,035.96, 27,651.17 and 12,482.51 is: 17,226.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.96 : 27,651.17 = 12,482.51 : x
  2. Step 2: Convert to fraction form
    20,035.96/27,651.17 = 12,482.51/x
  3. Step 3: Cross multiply
    20,035.96x = 27,651.17 × 12,482.51
  4. Step 4: Simplify right side
    20,035.96x = 345,155,898.99
  5. Step 5: Solve for x
    x = 345,155,898.99/20,035.96
  6. Step 6: Final answer
    x = 17,226.82

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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.