Home / 16,826.91-25,237.61-11,881.55

Finding the Fourth Proportional to 16,826.91, 25,237.61 and 11,881.55

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Solution

The fourth proportional to 16,826.91, 25,237.61 and 11,881.55 is: 17,820.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,826.91 : 25,237.61 = 11,881.55 : x
  2. Step 2: Convert to fraction form
    16,826.91/25,237.61 = 11,881.55/x
  3. Step 3: Cross multiply
    16,826.91x = 25,237.61 × 11,881.55
  4. Step 4: Simplify right side
    16,826.91x = 299,861,925.10
  5. Step 5: Solve for x
    x = 299,861,925.10/16,826.91
  6. Step 6: Final answer
    x = 17,820.38

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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.