Home / 14,679.78-22,019.36-3,586.16

Finding the Fourth Proportional to 14,679.78, 22,019.36 and 3,586.16

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Solution

The fourth proportional to 14,679.78, 22,019.36 and 3,586.16 is: 5,379.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679.78 : 22,019.36 = 3,586.16 : x
  2. Step 2: Convert to fraction form
    14,679.78/22,019.36 = 3,586.16/x
  3. Step 3: Cross multiply
    14,679.78x = 22,019.36 × 3,586.16
  4. Step 4: Simplify right side
    14,679.78x = 78,964,948.06
  5. Step 5: Solve for x
    x = 78,964,948.06/14,679.78
  6. Step 6: Final answer
    x = 5,379.16

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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.