Home / 25,697.37-38,545.65-8,166.99

Finding the Fourth Proportional to 25,697.37, 38,545.65 and 8,166.99

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Solution

The fourth proportional to 25,697.37, 38,545.65 and 8,166.99 is: 12,250.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,697.37 : 38,545.65 = 8,166.99 : x
  2. Step 2: Convert to fraction form
    25,697.37/38,545.65 = 8,166.99/x
  3. Step 3: Cross multiply
    25,697.37x = 38,545.65 × 8,166.99
  4. Step 4: Simplify right side
    25,697.37x = 314,801,938.09
  5. Step 5: Solve for x
    x = 314,801,938.09/25,697.37
  6. Step 6: Final answer
    x = 12,250.36

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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.