Home / 14,551.45-21,829.20-6,231.40

Finding the Fourth Proportional to 14,551.45, 21,829.20 and 6,231.40

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Solution

The fourth proportional to 14,551.45, 21,829.20 and 6,231.40 is: 9,347.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,551.45 : 21,829.20 = 6,231.40 : x
  2. Step 2: Convert to fraction form
    14,551.45/21,829.20 = 6,231.40/x
  3. Step 3: Cross multiply
    14,551.45x = 21,829.20 × 6,231.40
  4. Step 4: Simplify right side
    14,551.45x = 136,026,476.88
  5. Step 5: Solve for x
    x = 136,026,476.88/14,551.45
  6. Step 6: Final answer
    x = 9,347.97

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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.