Home / 17,416.56-24,018.48-13,431.36

Finding the Fourth Proportional to 17,416.56, 24,018.48 and 13,431.36

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Solution

The fourth proportional to 17,416.56, 24,018.48 and 13,431.36 is: 18,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,416.56 : 24,018.48 = 13,431.36 : x
  2. Step 2: Convert to fraction form
    17,416.56/24,018.48 = 13,431.36/x
  3. Step 3: Cross multiply
    17,416.56x = 24,018.48 × 13,431.36
  4. Step 4: Simplify right side
    17,416.56x = 322,600,851.53
  5. Step 5: Solve for x
    x = 322,600,851.53/17,416.56
  6. Step 6: Final answer
    x = 18,522.65

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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.