Home / 21,502.14-29,682.36-12,546.24

Finding the Fourth Proportional to 21,502.14, 29,682.36 and 12,546.24

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Solution

The fourth proportional to 21,502.14, 29,682.36 and 12,546.24 is: 17,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,502.14 : 29,682.36 = 12,546.24 : x
  2. Step 2: Convert to fraction form
    21,502.14/29,682.36 = 12,546.24/x
  3. Step 3: Cross multiply
    21,502.14x = 29,682.36 × 12,546.24
  4. Step 4: Simplify right side
    21,502.14x = 372,402,012.33
  5. Step 5: Solve for x
    x = 372,402,012.33/21,502.14
  6. Step 6: Final answer
    x = 17,319.30

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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.