Home / 18,573.04-27,884.52-18,377.20

Finding the Fourth Proportional to 18,573.04, 27,884.52 and 18,377.20

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Solution

The fourth proportional to 18,573.04, 27,884.52 and 18,377.20 is: 27,590.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.04 : 27,884.52 = 18,377.20 : x
  2. Step 2: Convert to fraction form
    18,573.04/27,884.52 = 18,377.20/x
  3. Step 3: Cross multiply
    18,573.04x = 27,884.52 × 18,377.20
  4. Step 4: Simplify right side
    18,573.04x = 512,439,400.94
  5. Step 5: Solve for x
    x = 512,439,400.94/18,573.04
  6. Step 6: Final answer
    x = 27,590.50

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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.