Home / 18,068.41-27,091.21-8,710.78

Finding the Fourth Proportional to 18,068.41, 27,091.21 and 8,710.78

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Solution

The fourth proportional to 18,068.41, 27,091.21 and 8,710.78 is: 13,060.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,068.41 : 27,091.21 = 8,710.78 : x
  2. Step 2: Convert to fraction form
    18,068.41/27,091.21 = 8,710.78/x
  3. Step 3: Cross multiply
    18,068.41x = 27,091.21 × 8,710.78
  4. Step 4: Simplify right side
    18,068.41x = 235,985,570.24
  5. Step 5: Solve for x
    x = 235,985,570.24/18,068.41
  6. Step 6: Final answer
    x = 13,060.67

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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.