Home / 18,531.09-25,553.21-14,746.77

Finding the Fourth Proportional to 18,531.09, 25,553.21 and 14,746.77

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Solution

The fourth proportional to 18,531.09, 25,553.21 and 14,746.77 is: 20,334.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.09 : 25,553.21 = 14,746.77 : x
  2. Step 2: Convert to fraction form
    18,531.09/25,553.21 = 14,746.77/x
  3. Step 3: Cross multiply
    18,531.09x = 25,553.21 × 14,746.77
  4. Step 4: Simplify right side
    18,531.09x = 376,827,236.90
  5. Step 5: Solve for x
    x = 376,827,236.90/18,531.09
  6. Step 6: Final answer
    x = 20,334.87

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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.