Home / 25,617.77-35,351.13-14,288.20

Finding the Fourth Proportional to 25,617.77, 35,351.13 and 14,288.20

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Solution

The fourth proportional to 25,617.77, 35,351.13 and 14,288.20 is: 19,716.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,617.77 : 35,351.13 = 14,288.20 : x
  2. Step 2: Convert to fraction form
    25,617.77/35,351.13 = 14,288.20/x
  3. Step 3: Cross multiply
    25,617.77x = 35,351.13 × 14,288.20
  4. Step 4: Simplify right side
    25,617.77x = 505,103,980.87
  5. Step 5: Solve for x
    x = 505,103,980.87/25,617.77
  6. Step 6: Final answer
    x = 19,716.94

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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.