Home / 21,475.03-29,635.58-11,914.62

Finding the Fourth Proportional to 21,475.03, 29,635.58 and 11,914.62

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Solution

The fourth proportional to 21,475.03, 29,635.58 and 11,914.62 is: 16,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,475.03 : 29,635.58 = 11,914.62 : x
  2. Step 2: Convert to fraction form
    21,475.03/29,635.58 = 11,914.62/x
  3. Step 3: Cross multiply
    21,475.03x = 29,635.58 × 11,914.62
  4. Step 4: Simplify right side
    21,475.03x = 353,096,674.18
  5. Step 5: Solve for x
    x = 353,096,674.18/21,475.03
  6. Step 6: Final answer
    x = 16,442.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.