Home / 18,716.25-25,830.72-10,758.48

Finding the Fourth Proportional to 18,716.25, 25,830.72 and 10,758.48

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Solution

The fourth proportional to 18,716.25, 25,830.72 and 10,758.48 is: 14,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716.25 : 25,830.72 = 10,758.48 : x
  2. Step 2: Convert to fraction form
    18,716.25/25,830.72 = 10,758.48/x
  3. Step 3: Cross multiply
    18,716.25x = 25,830.72 × 10,758.48
  4. Step 4: Simplify right side
    18,716.25x = 277,899,187.64
  5. Step 5: Solve for x
    x = 277,899,187.64/18,716.25
  6. Step 6: Final answer
    x = 14,848.01

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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.