Home / 14,011.52-21,010.80-6,222.56

Finding the Fourth Proportional to 14,011.52, 21,010.80 and 6,222.56

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Solution

The fourth proportional to 14,011.52, 21,010.80 and 6,222.56 is: 9,330.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.52 : 21,010.80 = 6,222.56 : x
  2. Step 2: Convert to fraction form
    14,011.52/21,010.80 = 6,222.56/x
  3. Step 3: Cross multiply
    14,011.52x = 21,010.80 × 6,222.56
  4. Step 4: Simplify right side
    14,011.52x = 130,740,963.65
  5. Step 5: Solve for x
    x = 130,740,963.65/14,011.52
  6. Step 6: Final answer
    x = 9,330.96

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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.