Home / 18,666.04-28,000.58-6,185.56

Finding the Fourth Proportional to 18,666.04, 28,000.58 and 6,185.56

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Solution

The fourth proportional to 18,666.04, 28,000.58 and 6,185.56 is: 9,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,666.04 : 28,000.58 = 6,185.56 : x
  2. Step 2: Convert to fraction form
    18,666.04/28,000.58 = 6,185.56/x
  3. Step 3: Cross multiply
    18,666.04x = 28,000.58 × 6,185.56
  4. Step 4: Simplify right side
    18,666.04x = 173,199,267.62
  5. Step 5: Solve for x
    x = 173,199,267.62/18,666.04
  6. Step 6: Final answer
    x = 9,278.84

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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.