Home / 25,088.65-34,620.87-13,755.91

Finding the Fourth Proportional to 25,088.65, 34,620.87 and 13,755.91

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Solution

The fourth proportional to 25,088.65, 34,620.87 and 13,755.91 is: 18,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,088.65 : 34,620.87 = 13,755.91 : x
  2. Step 2: Convert to fraction form
    25,088.65/34,620.87 = 13,755.91/x
  3. Step 3: Cross multiply
    25,088.65x = 34,620.87 × 13,755.91
  4. Step 4: Simplify right side
    25,088.65x = 476,241,571.84
  5. Step 5: Solve for x
    x = 476,241,571.84/25,088.65
  6. Step 6: Final answer
    x = 18,982.35

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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.