Home / 18,536.49-25,553.61-12,237.93

Finding the Fourth Proportional to 18,536.49, 25,553.61 and 12,237.93

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Solution

The fourth proportional to 18,536.49, 25,553.61 and 12,237.93 is: 16,870.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.49 : 25,553.61 = 12,237.93 : x
  2. Step 2: Convert to fraction form
    18,536.49/25,553.61 = 12,237.93/x
  3. Step 3: Cross multiply
    18,536.49x = 25,553.61 × 12,237.93
  4. Step 4: Simplify right side
    18,536.49x = 312,723,290.43
  5. Step 5: Solve for x
    x = 312,723,290.43/18,536.49
  6. Step 6: Final answer
    x = 16,870.69

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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.