Home / 14,043.35-21,068.96-6,146.55

Finding the Fourth Proportional to 14,043.35, 21,068.96 and 6,146.55

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Solution

The fourth proportional to 14,043.35, 21,068.96 and 6,146.55 is: 9,221.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.35 : 21,068.96 = 6,146.55 : x
  2. Step 2: Convert to fraction form
    14,043.35/21,068.96 = 6,146.55/x
  3. Step 3: Cross multiply
    14,043.35x = 21,068.96 × 6,146.55
  4. Step 4: Simplify right side
    14,043.35x = 129,501,385.36
  5. Step 5: Solve for x
    x = 129,501,385.36/14,043.35
  6. Step 6: Final answer
    x = 9,221.55

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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.