Home / 12,625.76-17,416.56-11,736.16

Finding the Fourth Proportional to 12,625.76, 17,416.56 and 11,736.16

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Solution

The fourth proportional to 12,625.76, 17,416.56 and 11,736.16 is: 16,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.76 : 17,416.56 = 11,736.16 : x
  2. Step 2: Convert to fraction form
    12,625.76/17,416.56 = 11,736.16/x
  3. Step 3: Cross multiply
    12,625.76x = 17,416.56 × 11,736.16
  4. Step 4: Simplify right side
    12,625.76x = 204,403,534.81
  5. Step 5: Solve for x
    x = 204,403,534.81/12,625.76
  6. Step 6: Final answer
    x = 16,189.40

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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.