Home / 23,931.45-35,874-13,406.58

Finding the Fourth Proportional to 23,931.45, 35,874 and 13,406.58

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Solution

The fourth proportional to 23,931.45, 35,874 and 13,406.58 is: 20,096.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,931.45 : 35,874 = 13,406.58 : x
  2. Step 2: Convert to fraction form
    23,931.45/35,874 = 13,406.58/x
  3. Step 3: Cross multiply
    23,931.45x = 35,874 × 13,406.58
  4. Step 4: Simplify right side
    23,931.45x = 480,947,650.92
  5. Step 5: Solve for x
    x = 480,947,650.92/23,931.45
  6. Step 6: Final answer
    x = 20,096.89

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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.