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Finding the Fourth Proportional to 18,854.34, 28,223.19 and 16,054.98

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Solution

The fourth proportional to 18,854.34, 28,223.19 and 16,054.98 is: 24,032.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.34 : 28,223.19 = 16,054.98 : x
  2. Step 2: Convert to fraction form
    18,854.34/28,223.19 = 16,054.98/x
  3. Step 3: Cross multiply
    18,854.34x = 28,223.19 × 16,054.98
  4. Step 4: Simplify right side
    18,854.34x = 453,122,750.99
  5. Step 5: Solve for x
    x = 453,122,750.99/18,854.34
  6. Step 6: Final answer
    x = 24,032.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.