Home / 14,378.14-21,570.61-4,517.42

Finding the Fourth Proportional to 14,378.14, 21,570.61 and 4,517.42

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Solution

The fourth proportional to 14,378.14, 21,570.61 and 4,517.42 is: 6,777.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.14 : 21,570.61 = 4,517.42 : x
  2. Step 2: Convert to fraction form
    14,378.14/21,570.61 = 4,517.42/x
  3. Step 3: Cross multiply
    14,378.14x = 21,570.61 × 4,517.42
  4. Step 4: Simplify right side
    14,378.14x = 97,443,394.35
  5. Step 5: Solve for x
    x = 97,443,394.35/14,378.14
  6. Step 6: Final answer
    x = 6,777.19

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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.