Home / 14,174.80-21,270.30-9,795.40

Finding the Fourth Proportional to 14,174.80, 21,270.30 and 9,795.40

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Solution

The fourth proportional to 14,174.80, 21,270.30 and 9,795.40 is: 14,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,174.80 : 21,270.30 = 9,795.40 : x
  2. Step 2: Convert to fraction form
    14,174.80/21,270.30 = 9,795.40/x
  3. Step 3: Cross multiply
    14,174.80x = 21,270.30 × 9,795.40
  4. Step 4: Simplify right side
    14,174.80x = 208,351,096.62
  5. Step 5: Solve for x
    x = 208,351,096.62/14,174.80
  6. Step 6: Final answer
    x = 14,698.70

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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.