Home / 18,595.36-27,888.18-8,732.80

Finding the Fourth Proportional to 18,595.36, 27,888.18 and 8,732.80

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Solution

The fourth proportional to 18,595.36, 27,888.18 and 8,732.80 is: 13,096.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,595.36 : 27,888.18 = 8,732.80 : x
  2. Step 2: Convert to fraction form
    18,595.36/27,888.18 = 8,732.80/x
  3. Step 3: Cross multiply
    18,595.36x = 27,888.18 × 8,732.80
  4. Step 4: Simplify right side
    18,595.36x = 243,541,898.30
  5. Step 5: Solve for x
    x = 243,541,898.30/18,595.36
  6. Step 6: Final answer
    x = 13,096.92

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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.