Home / 18,012.96-24,828.14-12,042.45

Finding the Fourth Proportional to 18,012.96, 24,828.14 and 12,042.45

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Solution

The fourth proportional to 18,012.96, 24,828.14 and 12,042.45 is: 16,598.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012.96 : 24,828.14 = 12,042.45 : x
  2. Step 2: Convert to fraction form
    18,012.96/24,828.14 = 12,042.45/x
  3. Step 3: Cross multiply
    18,012.96x = 24,828.14 × 12,042.45
  4. Step 4: Simplify right side
    18,012.96x = 298,991,574.33
  5. Step 5: Solve for x
    x = 298,991,574.33/18,012.96
  6. Step 6: Final answer
    x = 16,598.69

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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.