Home / 14,298.72-21,447.36-5,976.96

Finding the Fourth Proportional to 14,298.72, 21,447.36 and 5,976.96

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Solution

The fourth proportional to 14,298.72, 21,447.36 and 5,976.96 is: 8,965.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.72 : 21,447.36 = 5,976.96 : x
  2. Step 2: Convert to fraction form
    14,298.72/21,447.36 = 5,976.96/x
  3. Step 3: Cross multiply
    14,298.72x = 21,447.36 × 5,976.96
  4. Step 4: Simplify right side
    14,298.72x = 128,190,012.83
  5. Step 5: Solve for x
    x = 128,190,012.83/14,298.72
  6. Step 6: Final answer
    x = 8,965.14

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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.