Home / 43,995.06-66,000.78-14,414.40

Finding the Fourth Proportional to 43,995.06, 66,000.78 and 14,414.40

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Solution

The fourth proportional to 43,995.06, 66,000.78 and 14,414.40 is: 21,624.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,995.06 : 66,000.78 = 14,414.40 : x
  2. Step 2: Convert to fraction form
    43,995.06/66,000.78 = 14,414.40/x
  3. Step 3: Cross multiply
    43,995.06x = 66,000.78 × 14,414.40
  4. Step 4: Simplify right side
    43,995.06x = 951,361,643.23
  5. Step 5: Solve for x
    x = 951,361,643.23/43,995.06
  6. Step 6: Final answer
    x = 21,624.28

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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.