Home / 14,412.42-21,619.29-4,416.45

Finding the Fourth Proportional to 14,412.42, 21,619.29 and 4,416.45

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Solution

The fourth proportional to 14,412.42, 21,619.29 and 4,416.45 is: 6,624.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.42 : 21,619.29 = 4,416.45 : x
  2. Step 2: Convert to fraction form
    14,412.42/21,619.29 = 4,416.45/x
  3. Step 3: Cross multiply
    14,412.42x = 21,619.29 × 4,416.45
  4. Step 4: Simplify right side
    14,412.42x = 95,480,513.32
  5. Step 5: Solve for x
    x = 95,480,513.32/14,412.42
  6. Step 6: Final answer
    x = 6,624.88

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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.