Home / 16,898.48-23,312.76-11,311.28

Finding the Fourth Proportional to 16,898.48, 23,312.76 and 11,311.28

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Solution

The fourth proportional to 16,898.48, 23,312.76 and 11,311.28 is: 15,604.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,898.48 : 23,312.76 = 11,311.28 : x
  2. Step 2: Convert to fraction form
    16,898.48/23,312.76 = 11,311.28/x
  3. Step 3: Cross multiply
    16,898.48x = 23,312.76 × 11,311.28
  4. Step 4: Simplify right side
    16,898.48x = 263,697,155.93
  5. Step 5: Solve for x
    x = 263,697,155.93/16,898.48
  6. Step 6: Final answer
    x = 15,604.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.