Home / 17,899.89-24,720.18-13,416.54

Finding the Fourth Proportional to 17,899.89, 24,720.18 and 13,416.54

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Solution

The fourth proportional to 17,899.89, 24,720.18 and 13,416.54 is: 18,528.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,899.89 : 24,720.18 = 13,416.54 : x
  2. Step 2: Convert to fraction form
    17,899.89/24,720.18 = 13,416.54/x
  3. Step 3: Cross multiply
    17,899.89x = 24,720.18 × 13,416.54
  4. Step 4: Simplify right side
    17,899.89x = 331,659,283.78
  5. Step 5: Solve for x
    x = 331,659,283.78/17,899.89
  6. Step 6: Final answer
    x = 18,528.57

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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.