Home / 17,925.31-26,858.07-12,651.68

Finding the Fourth Proportional to 17,925.31, 26,858.07 and 12,651.68

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Solution

The fourth proportional to 17,925.31, 26,858.07 and 12,651.68 is: 18,956.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,925.31 : 26,858.07 = 12,651.68 : x
  2. Step 2: Convert to fraction form
    17,925.31/26,858.07 = 12,651.68/x
  3. Step 3: Cross multiply
    17,925.31x = 26,858.07 × 12,651.68
  4. Step 4: Simplify right side
    17,925.31x = 339,799,718.64
  5. Step 5: Solve for x
    x = 339,799,718.64/17,925.31
  6. Step 6: Final answer
    x = 18,956.42

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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.