Home / 25,000.83-34,502.07-13,671.09

Finding the Fourth Proportional to 25,000.83, 34,502.07 and 13,671.09

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Solution

The fourth proportional to 25,000.83, 34,502.07 and 13,671.09 is: 18,866.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,000.83 : 34,502.07 = 13,671.09 : x
  2. Step 2: Convert to fraction form
    25,000.83/34,502.07 = 13,671.09/x
  3. Step 3: Cross multiply
    25,000.83x = 34,502.07 × 13,671.09
  4. Step 4: Simplify right side
    25,000.83x = 471,680,904.16
  5. Step 5: Solve for x
    x = 471,680,904.16/25,000.83
  6. Step 6: Final answer
    x = 18,866.61

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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.