Home / 18,023.04-27,038.80-5,711.04

Finding the Fourth Proportional to 18,023.04, 27,038.80 and 5,711.04

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Solution

The fourth proportional to 18,023.04, 27,038.80 and 5,711.04 is: 8,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023.04 : 27,038.80 = 5,711.04 : x
  2. Step 2: Convert to fraction form
    18,023.04/27,038.80 = 5,711.04/x
  3. Step 3: Cross multiply
    18,023.04x = 27,038.80 × 5,711.04
  4. Step 4: Simplify right side
    18,023.04x = 154,419,668.35
  5. Step 5: Solve for x
    x = 154,419,668.35/18,023.04
  6. Step 6: Final answer
    x = 8,567.90

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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.