Home / 14,125.10-21,186.62-6,630.37

Finding the Fourth Proportional to 14,125.10, 21,186.62 and 6,630.37

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Solution

The fourth proportional to 14,125.10, 21,186.62 and 6,630.37 is: 9,945.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.10 : 21,186.62 = 6,630.37 : x
  2. Step 2: Convert to fraction form
    14,125.10/21,186.62 = 6,630.37/x
  3. Step 3: Cross multiply
    14,125.10x = 21,186.62 × 6,630.37
  4. Step 4: Simplify right side
    14,125.10x = 140,475,068.39
  5. Step 5: Solve for x
    x = 140,475,068.39/14,125.10
  6. Step 6: Final answer
    x = 9,945.07

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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.