Home / 14,364.90-21,538.53-5,589.59

Finding the Fourth Proportional to 14,364.90, 21,538.53 and 5,589.59

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Solution

The fourth proportional to 14,364.90, 21,538.53 and 5,589.59 is: 8,380.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,364.90 : 21,538.53 = 5,589.59 : x
  2. Step 2: Convert to fraction form
    14,364.90/21,538.53 = 5,589.59/x
  3. Step 3: Cross multiply
    14,364.90x = 21,538.53 × 5,589.59
  4. Step 4: Simplify right side
    14,364.90x = 120,391,444.21
  5. Step 5: Solve for x
    x = 120,391,444.21/14,364.90
  6. Step 6: Final answer
    x = 8,380.95

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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.