Home / 18,576.36-27,849.88-9,209.92

Finding the Fourth Proportional to 18,576.36, 27,849.88 and 9,209.92

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Solution

The fourth proportional to 18,576.36, 27,849.88 and 9,209.92 is: 13,807.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.36 : 27,849.88 = 9,209.92 : x
  2. Step 2: Convert to fraction form
    18,576.36/27,849.88 = 9,209.92/x
  3. Step 3: Cross multiply
    18,576.36x = 27,849.88 × 9,209.92
  4. Step 4: Simplify right side
    18,576.36x = 256,495,166.81
  5. Step 5: Solve for x
    x = 256,495,166.81/18,576.36
  6. Step 6: Final answer
    x = 13,807.61

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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.