Home / 25,833.09-38,736.16-9,190.70

Finding the Fourth Proportional to 25,833.09, 38,736.16 and 9,190.70

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Solution

The fourth proportional to 25,833.09, 38,736.16 and 9,190.70 is: 13,781.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,833.09 : 38,736.16 = 9,190.70 : x
  2. Step 2: Convert to fraction form
    25,833.09/38,736.16 = 9,190.70/x
  3. Step 3: Cross multiply
    25,833.09x = 38,736.16 × 9,190.70
  4. Step 4: Simplify right side
    25,833.09x = 356,012,209.05
  5. Step 5: Solve for x
    x = 356,012,209.05/25,833.09
  6. Step 6: Final answer
    x = 13,781.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.