Home / 18,070.49-27,103.01-4,923.90

Finding the Fourth Proportional to 18,070.49, 27,103.01 and 4,923.90

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Solution

The fourth proportional to 18,070.49, 27,103.01 and 4,923.90 is: 7,385.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.49 : 27,103.01 = 4,923.90 : x
  2. Step 2: Convert to fraction form
    18,070.49/27,103.01 = 4,923.90/x
  3. Step 3: Cross multiply
    18,070.49x = 27,103.01 × 4,923.90
  4. Step 4: Simplify right side
    18,070.49x = 133,452,486.32
  5. Step 5: Solve for x
    x = 133,452,486.32/18,070.49
  6. Step 6: Final answer
    x = 7,385.11

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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.