Home / 14,177.46-21,222.45-12,967.86

Finding the Fourth Proportional to 14,177.46, 21,222.45 and 12,967.86

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Solution

The fourth proportional to 14,177.46, 21,222.45 and 12,967.86 is: 19,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.46 : 21,222.45 = 12,967.86 : x
  2. Step 2: Convert to fraction form
    14,177.46/21,222.45 = 12,967.86/x
  3. Step 3: Cross multiply
    14,177.46x = 21,222.45 × 12,967.86
  4. Step 4: Simplify right side
    14,177.46x = 275,209,760.46
  5. Step 5: Solve for x
    x = 275,209,760.46/14,177.46
  6. Step 6: Final answer
    x = 19,411.78

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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.