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Finding the Fourth Proportional to 19,559.98, 27,014.92 and 18,009.95

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Solution

The fourth proportional to 19,559.98, 27,014.92 and 18,009.95 is: 24,874.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,559.98 : 27,014.92 = 18,009.95 : x
  2. Step 2: Convert to fraction form
    19,559.98/27,014.92 = 18,009.95/x
  3. Step 3: Cross multiply
    19,559.98x = 27,014.92 × 18,009.95
  4. Step 4: Simplify right side
    19,559.98x = 486,537,178.35
  5. Step 5: Solve for x
    x = 486,537,178.35/19,559.98
  6. Step 6: Final answer
    x = 24,874.11

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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.