Home / 15,586.46-23,379.68-3,899.67

Finding the Fourth Proportional to 15,586.46, 23,379.68 and 3,899.67

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Solution

The fourth proportional to 15,586.46, 23,379.68 and 3,899.67 is: 5,849.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,586.46 : 23,379.68 = 3,899.67 : x
  2. Step 2: Convert to fraction form
    15,586.46/23,379.68 = 3,899.67/x
  3. Step 3: Cross multiply
    15,586.46x = 23,379.68 × 3,899.67
  4. Step 4: Simplify right side
    15,586.46x = 91,173,036.71
  5. Step 5: Solve for x
    x = 91,173,036.71/15,586.46
  6. Step 6: Final answer
    x = 5,849.50

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Double scale
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Similar ratio
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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.