Home / 25,088.15-34,620.18-13,755.41

Finding the Fourth Proportional to 25,088.15, 34,620.18 and 13,755.41

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Solution

The fourth proportional to 25,088.15, 34,620.18 and 13,755.41 is: 18,981.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,088.15 : 34,620.18 = 13,755.41 : x
  2. Step 2: Convert to fraction form
    25,088.15/34,620.18 = 13,755.41/x
  3. Step 3: Cross multiply
    25,088.15x = 34,620.18 × 13,755.41
  4. Step 4: Simplify right side
    25,088.15x = 476,214,770.17
  5. Step 5: Solve for x
    x = 476,214,770.17/25,088.15
  6. Step 6: Final answer
    x = 18,981.66

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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.