Home / 16,742.89-23,104-12,285.46

Finding the Fourth Proportional to 16,742.89, 23,104 and 12,285.46

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Solution

The fourth proportional to 16,742.89, 23,104 and 12,285.46 is: 16,953.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742.89 : 23,104 = 12,285.46 : x
  2. Step 2: Convert to fraction form
    16,742.89/23,104 = 12,285.46/x
  3. Step 3: Cross multiply
    16,742.89x = 23,104 × 12,285.46
  4. Step 4: Simplify right side
    16,742.89x = 283,843,267.84
  5. Step 5: Solve for x
    x = 283,843,267.84/16,742.89
  6. Step 6: Final answer
    x = 16,953.06

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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.