Home / 19,036.04-28,560.83-8,505.09

Finding the Fourth Proportional to 19,036.04, 28,560.83 and 8,505.09

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Solution

The fourth proportional to 19,036.04, 28,560.83 and 8,505.09 is: 12,760.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,036.04 : 28,560.83 = 8,505.09 : x
  2. Step 2: Convert to fraction form
    19,036.04/28,560.83 = 8,505.09/x
  3. Step 3: Cross multiply
    19,036.04x = 28,560.83 × 8,505.09
  4. Step 4: Simplify right side
    19,036.04x = 242,912,387.10
  5. Step 5: Solve for x
    x = 242,912,387.10/19,036.04
  6. Step 6: Final answer
    x = 12,760.66

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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.