Home / 18,008.19-27,012.76-4,860.52

Finding the Fourth Proportional to 18,008.19, 27,012.76 and 4,860.52

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Solution

The fourth proportional to 18,008.19, 27,012.76 and 4,860.52 is: 7,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,008.19 : 27,012.76 = 4,860.52 : x
  2. Step 2: Convert to fraction form
    18,008.19/27,012.76 = 4,860.52/x
  3. Step 3: Cross multiply
    18,008.19x = 27,012.76 × 4,860.52
  4. Step 4: Simplify right side
    18,008.19x = 131,295,980.55
  5. Step 5: Solve for x
    x = 131,295,980.55/18,008.19
  6. Step 6: Final answer
    x = 7,290.90

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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.