Home / 14,489.80-21,724.07-4,623.39

Finding the Fourth Proportional to 14,489.80, 21,724.07 and 4,623.39

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Solution

The fourth proportional to 14,489.80, 21,724.07 and 4,623.39 is: 6,931.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489.80 : 21,724.07 = 4,623.39 : x
  2. Step 2: Convert to fraction form
    14,489.80/21,724.07 = 4,623.39/x
  3. Step 3: Cross multiply
    14,489.80x = 21,724.07 × 4,623.39
  4. Step 4: Simplify right side
    14,489.80x = 100,438,824.88
  5. Step 5: Solve for x
    x = 100,438,824.88/14,489.80
  6. Step 6: Final answer
    x = 6,931.69

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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.