Home / 16,895.76-23,285.22-11,220.48

Finding the Fourth Proportional to 16,895.76, 23,285.22 and 11,220.48

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Solution

The fourth proportional to 16,895.76, 23,285.22 and 11,220.48 is: 15,463.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,895.76 : 23,285.22 = 11,220.48 : x
  2. Step 2: Convert to fraction form
    16,895.76/23,285.22 = 11,220.48/x
  3. Step 3: Cross multiply
    16,895.76x = 23,285.22 × 11,220.48
  4. Step 4: Simplify right side
    16,895.76x = 261,271,345.31
  5. Step 5: Solve for x
    x = 261,271,345.31/16,895.76
  6. Step 6: Final answer
    x = 15,463.72

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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.