Home / 14,420.68-21,630.87-4,559.96

Finding the Fourth Proportional to 14,420.68, 21,630.87 and 4,559.96

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Solution

The fourth proportional to 14,420.68, 21,630.87 and 4,559.96 is: 6,839.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.68 : 21,630.87 = 4,559.96 : x
  2. Step 2: Convert to fraction form
    14,420.68/21,630.87 = 4,559.96/x
  3. Step 3: Cross multiply
    14,420.68x = 21,630.87 × 4,559.96
  4. Step 4: Simplify right side
    14,420.68x = 98,635,805.21
  5. Step 5: Solve for x
    x = 98,635,805.21/14,420.68
  6. Step 6: Final answer
    x = 6,839.89

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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.