Home / 66,002.85-99,004.28-19,249.65

Finding the Fourth Proportional to 66,002.85, 99,004.28 and 19,249.65

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Solution

The fourth proportional to 66,002.85, 99,004.28 and 19,249.65 is: 28,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,002.85 : 99,004.28 = 19,249.65 : x
  2. Step 2: Convert to fraction form
    66,002.85/99,004.28 = 19,249.65/x
  3. Step 3: Cross multiply
    66,002.85x = 99,004.28 × 19,249.65
  4. Step 4: Simplify right side
    66,002.85x = 1,905,797,642.25
  5. Step 5: Solve for x
    x = 1,905,797,642.25/66,002.85
  6. Step 6: Final answer
    x = 28,874.48

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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.