Home / 18,723.03-28,075.14-6,238.68

Finding the Fourth Proportional to 18,723.03, 28,075.14 and 6,238.68

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Solution

The fourth proportional to 18,723.03, 28,075.14 and 6,238.68 is: 9,354.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.03 : 28,075.14 = 6,238.68 : x
  2. Step 2: Convert to fraction form
    18,723.03/28,075.14 = 6,238.68/x
  3. Step 3: Cross multiply
    18,723.03x = 28,075.14 × 6,238.68
  4. Step 4: Simplify right side
    18,723.03x = 175,151,814.42
  5. Step 5: Solve for x
    x = 175,151,814.42/18,723.03
  6. Step 6: Final answer
    x = 9,354.89

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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.