Home / 25,188.08-34,759.55-13,857.33

Finding the Fourth Proportional to 25,188.08, 34,759.55 and 13,857.33

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Solution

The fourth proportional to 25,188.08, 34,759.55 and 13,857.33 is: 19,123.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,188.08 : 34,759.55 = 13,857.33 : x
  2. Step 2: Convert to fraction form
    25,188.08/34,759.55 = 13,857.33/x
  3. Step 3: Cross multiply
    25,188.08x = 34,759.55 × 13,857.33
  4. Step 4: Simplify right side
    25,188.08x = 481,674,719.99
  5. Step 5: Solve for x
    x = 481,674,719.99/25,188.08
  6. Step 6: Final answer
    x = 19,123.12

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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.