Home / 18,559.90-25,611.55-11,006.95

Finding the Fourth Proportional to 18,559.90, 25,611.55 and 11,006.95

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Solution

The fourth proportional to 18,559.90, 25,611.55 and 11,006.95 is: 15,188.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.90 : 25,611.55 = 11,006.95 : x
  2. Step 2: Convert to fraction form
    18,559.90/25,611.55 = 11,006.95/x
  3. Step 3: Cross multiply
    18,559.90x = 25,611.55 × 11,006.95
  4. Step 4: Simplify right side
    18,559.90x = 281,905,050.27
  5. Step 5: Solve for x
    x = 281,905,050.27/18,559.90
  6. Step 6: Final answer
    x = 15,188.93

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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.