Home / 14,054.33-21,080.55-6,664.70

Finding the Fourth Proportional to 14,054.33, 21,080.55 and 6,664.70

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Solution

The fourth proportional to 14,054.33, 21,080.55 and 6,664.70 is: 9,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.33 : 21,080.55 = 6,664.70 : x
  2. Step 2: Convert to fraction form
    14,054.33/21,080.55 = 6,664.70/x
  3. Step 3: Cross multiply
    14,054.33x = 21,080.55 × 6,664.70
  4. Step 4: Simplify right side
    14,054.33x = 140,495,541.59
  5. Step 5: Solve for x
    x = 140,495,541.59/14,054.33
  6. Step 6: Final answer
    x = 9,996.60

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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.