Home / 32,389.11-48,576.78-13,661.91

Finding the Fourth Proportional to 32,389.11, 48,576.78 and 13,661.91

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Solution

The fourth proportional to 32,389.11, 48,576.78 and 13,661.91 is: 20,489.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,389.11 : 48,576.78 = 13,661.91 : x
  2. Step 2: Convert to fraction form
    32,389.11/48,576.78 = 13,661.91/x
  3. Step 3: Cross multiply
    32,389.11x = 48,576.78 × 13,661.91
  4. Step 4: Simplify right side
    32,389.11x = 663,651,596.45
  5. Step 5: Solve for x
    x = 663,651,596.45/32,389.11
  6. Step 6: Final answer
    x = 20,489.96

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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.