Home / 25,678.08-38,523.84-10,887.60

Finding the Fourth Proportional to 25,678.08, 38,523.84 and 10,887.60

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Solution

The fourth proportional to 25,678.08, 38,523.84 and 10,887.60 is: 16,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,678.08 : 38,523.84 = 10,887.60 : x
  2. Step 2: Convert to fraction form
    25,678.08/38,523.84 = 10,887.60/x
  3. Step 3: Cross multiply
    25,678.08x = 38,523.84 × 10,887.60
  4. Step 4: Simplify right side
    25,678.08x = 419,432,160.38
  5. Step 5: Solve for x
    x = 419,432,160.38/25,678.08
  6. Step 6: Final answer
    x = 16,334.25

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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.