Home / 14,983.32-20,631.18-13,576.92

Finding the Fourth Proportional to 14,983.32, 20,631.18 and 13,576.92

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Solution

The fourth proportional to 14,983.32, 20,631.18 and 13,576.92 is: 18,694.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,983.32 : 20,631.18 = 13,576.92 : x
  2. Step 2: Convert to fraction form
    14,983.32/20,631.18 = 13,576.92/x
  3. Step 3: Cross multiply
    14,983.32x = 20,631.18 × 13,576.92
  4. Step 4: Simplify right side
    14,983.32x = 280,107,880.37
  5. Step 5: Solve for x
    x = 280,107,880.37/14,983.32
  6. Step 6: Final answer
    x = 18,694.65

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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.