Home / 16,740.34-23,102.21-9,187.29

Finding the Fourth Proportional to 16,740.34, 23,102.21 and 9,187.29

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Solution

The fourth proportional to 16,740.34, 23,102.21 and 9,187.29 is: 12,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,740.34 : 23,102.21 = 9,187.29 : x
  2. Step 2: Convert to fraction form
    16,740.34/23,102.21 = 9,187.29/x
  3. Step 3: Cross multiply
    16,740.34x = 23,102.21 × 9,187.29
  4. Step 4: Simplify right side
    16,740.34x = 212,246,725.88
  5. Step 5: Solve for x
    x = 212,246,725.88/16,740.34
  6. Step 6: Final answer
    x = 12,678.76

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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.