Home / 12,673.62-19,013.76-4,776.24

Finding the Fourth Proportional to 12,673.62, 19,013.76 and 4,776.24

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Solution

The fourth proportional to 12,673.62, 19,013.76 and 4,776.24 is: 7,165.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.62 : 19,013.76 = 4,776.24 : x
  2. Step 2: Convert to fraction form
    12,673.62/19,013.76 = 4,776.24/x
  3. Step 3: Cross multiply
    12,673.62x = 19,013.76 × 4,776.24
  4. Step 4: Simplify right side
    12,673.62x = 90,814,281.06
  5. Step 5: Solve for x
    x = 90,814,281.06/12,673.62
  6. Step 6: Final answer
    x = 7,165.61

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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.