Home / 14,660.90-21,974.84-7,270.66

Finding the Fourth Proportional to 14,660.90, 21,974.84 and 7,270.66

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Solution

The fourth proportional to 14,660.90, 21,974.84 and 7,270.66 is: 10,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.90 : 21,974.84 = 7,270.66 : x
  2. Step 2: Convert to fraction form
    14,660.90/21,974.84 = 7,270.66/x
  3. Step 3: Cross multiply
    14,660.90x = 21,974.84 × 7,270.66
  4. Step 4: Simplify right side
    14,660.90x = 159,771,590.19
  5. Step 5: Solve for x
    x = 159,771,590.19/14,660.90
  6. Step 6: Final answer
    x = 10,897.80

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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.