Home / 18,011.80-27,019.26-4,864.12

Finding the Fourth Proportional to 18,011.80, 27,019.26 and 4,864.12

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Solution

The fourth proportional to 18,011.80, 27,019.26 and 4,864.12 is: 7,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,011.80 : 27,019.26 = 4,864.12 : x
  2. Step 2: Convert to fraction form
    18,011.80/27,019.26 = 4,864.12/x
  3. Step 3: Cross multiply
    18,011.80x = 27,019.26 × 4,864.12
  4. Step 4: Simplify right side
    18,011.80x = 131,424,922.95
  5. Step 5: Solve for x
    x = 131,424,922.95/18,011.80
  6. Step 6: Final answer
    x = 7,296.60

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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.