Home / 19,450.08-26,835.12-13,874.40

Finding the Fourth Proportional to 19,450.08, 26,835.12 and 13,874.40

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Solution

The fourth proportional to 19,450.08, 26,835.12 and 13,874.40 is: 19,142.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,450.08 : 26,835.12 = 13,874.40 : x
  2. Step 2: Convert to fraction form
    19,450.08/26,835.12 = 13,874.40/x
  3. Step 3: Cross multiply
    19,450.08x = 26,835.12 × 13,874.40
  4. Step 4: Simplify right side
    19,450.08x = 372,321,188.93
  5. Step 5: Solve for x
    x = 372,321,188.93/19,450.08
  6. Step 6: Final answer
    x = 19,142.40

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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.