Home / 18,670.59-28,002.85-7,576.83

Finding the Fourth Proportional to 18,670.59, 28,002.85 and 7,576.83

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Solution

The fourth proportional to 18,670.59, 28,002.85 and 7,576.83 is: 11,364.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670.59 : 28,002.85 = 7,576.83 : x
  2. Step 2: Convert to fraction form
    18,670.59/28,002.85 = 7,576.83/x
  3. Step 3: Cross multiply
    18,670.59x = 28,002.85 × 7,576.83
  4. Step 4: Simplify right side
    18,670.59x = 212,172,815.02
  5. Step 5: Solve for x
    x = 212,172,815.02/18,670.59
  6. Step 6: Final answer
    x = 11,364.01

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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.