Home / 15,814.56-21,798.96-12,452.04

Finding the Fourth Proportional to 15,814.56, 21,798.96 and 12,452.04

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Solution

The fourth proportional to 15,814.56, 21,798.96 and 12,452.04 is: 17,164.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,814.56 : 21,798.96 = 12,452.04 : x
  2. Step 2: Convert to fraction form
    15,814.56/21,798.96 = 12,452.04/x
  3. Step 3: Cross multiply
    15,814.56x = 21,798.96 × 12,452.04
  4. Step 4: Simplify right side
    15,814.56x = 271,441,521.88
  5. Step 5: Solve for x
    x = 271,441,521.88/15,814.56
  6. Step 6: Final answer
    x = 17,164.03

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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.