Home / 25,992.50-38,974.16-17,683.72

Finding the Fourth Proportional to 25,992.50, 38,974.16 and 17,683.72

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Solution

The fourth proportional to 25,992.50, 38,974.16 and 17,683.72 is: 26,515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,992.50 : 38,974.16 = 17,683.72 : x
  2. Step 2: Convert to fraction form
    25,992.50/38,974.16 = 17,683.72/x
  3. Step 3: Cross multiply
    25,992.50x = 38,974.16 × 17,683.72
  4. Step 4: Simplify right side
    25,992.50x = 689,208,079.45
  5. Step 5: Solve for x
    x = 689,208,079.45/25,992.50
  6. Step 6: Final answer
    x = 26,515.66

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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.