Home / 18,778.67-25,886.95-14,294.61

Finding the Fourth Proportional to 18,778.67, 25,886.95 and 14,294.61

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Solution

The fourth proportional to 18,778.67, 25,886.95 and 14,294.61 is: 19,705.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,778.67 : 25,886.95 = 14,294.61 : x
  2. Step 2: Convert to fraction form
    18,778.67/25,886.95 = 14,294.61/x
  3. Step 3: Cross multiply
    18,778.67x = 25,886.95 × 14,294.61
  4. Step 4: Simplify right side
    18,778.67x = 370,043,854.34
  5. Step 5: Solve for x
    x = 370,043,854.34/18,778.67
  6. Step 6: Final answer
    x = 19,705.54

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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.