Home / 18,741.46-25,863.24-10,783.53

Finding the Fourth Proportional to 18,741.46, 25,863.24 and 10,783.53

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Solution

The fourth proportional to 18,741.46, 25,863.24 and 10,783.53 is: 14,881.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.46 : 25,863.24 = 10,783.53 : x
  2. Step 2: Convert to fraction form
    18,741.46/25,863.24 = 10,783.53/x
  3. Step 3: Cross multiply
    18,741.46x = 25,863.24 × 10,783.53
  4. Step 4: Simplify right side
    18,741.46x = 278,897,024.44
  5. Step 5: Solve for x
    x = 278,897,024.44/18,741.46
  6. Step 6: Final answer
    x = 14,881.29

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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.