Home / 25,929.38-38,884.34-11,130.68

Finding the Fourth Proportional to 25,929.38, 38,884.34 and 11,130.68

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Solution

The fourth proportional to 25,929.38, 38,884.34 and 11,130.68 is: 16,691.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,929.38 : 38,884.34 = 11,130.68 : x
  2. Step 2: Convert to fraction form
    25,929.38/38,884.34 = 11,130.68/x
  3. Step 3: Cross multiply
    25,929.38x = 38,884.34 × 11,130.68
  4. Step 4: Simplify right side
    25,929.38x = 432,809,145.55
  5. Step 5: Solve for x
    x = 432,809,145.55/25,929.38
  6. Step 6: Final answer
    x = 16,691.84

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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.