Home / 18,755.12-25,881.36-10,256.96

Finding the Fourth Proportional to 18,755.12, 25,881.36 and 10,256.96

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Solution

The fourth proportional to 18,755.12, 25,881.36 and 10,256.96 is: 14,154.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755.12 : 25,881.36 = 10,256.96 : x
  2. Step 2: Convert to fraction form
    18,755.12/25,881.36 = 10,256.96/x
  3. Step 3: Cross multiply
    18,755.12x = 25,881.36 × 10,256.96
  4. Step 4: Simplify right side
    18,755.12x = 265,464,074.27
  5. Step 5: Solve for x
    x = 265,464,074.27/18,755.12
  6. Step 6: Final answer
    x = 14,154.22

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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.