Home / 14,288.85-21,424.15-5,974.60

Finding the Fourth Proportional to 14,288.85, 21,424.15 and 5,974.60

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Solution

The fourth proportional to 14,288.85, 21,424.15 and 5,974.60 is: 8,958.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.85 : 21,424.15 = 5,974.60 : x
  2. Step 2: Convert to fraction form
    14,288.85/21,424.15 = 5,974.60/x
  3. Step 3: Cross multiply
    14,288.85x = 21,424.15 × 5,974.60
  4. Step 4: Simplify right side
    14,288.85x = 128,000,726.59
  5. Step 5: Solve for x
    x = 128,000,726.59/14,288.85
  6. Step 6: Final answer
    x = 8,958.08

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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.