Home / 23,899.46-32,979.15-13,289.67

Finding the Fourth Proportional to 23,899.46, 32,979.15 and 13,289.67

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Solution

The fourth proportional to 23,899.46, 32,979.15 and 13,289.67 is: 18,338.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,899.46 : 32,979.15 = 13,289.67 : x
  2. Step 2: Convert to fraction form
    23,899.46/32,979.15 = 13,289.67/x
  3. Step 3: Cross multiply
    23,899.46x = 32,979.15 × 13,289.67
  4. Step 4: Simplify right side
    23,899.46x = 438,282,020.38
  5. Step 5: Solve for x
    x = 438,282,020.38/23,899.46
  6. Step 6: Final answer
    x = 18,338.58

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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.