Home / 18,740.08-25,861.63-11,184.94

Finding the Fourth Proportional to 18,740.08, 25,861.63 and 11,184.94

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Solution

The fourth proportional to 18,740.08, 25,861.63 and 11,184.94 is: 15,435.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.08 : 25,861.63 = 11,184.94 : x
  2. Step 2: Convert to fraction form
    18,740.08/25,861.63 = 11,184.94/x
  3. Step 3: Cross multiply
    18,740.08x = 25,861.63 × 11,184.94
  4. Step 4: Simplify right side
    18,740.08x = 289,260,779.85
  5. Step 5: Solve for x
    x = 289,260,779.85/18,740.08
  6. Step 6: Final answer
    x = 15,435.41

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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.