Home / 16,740.87-23,102.33-9,187.33

Finding the Fourth Proportional to 16,740.87, 23,102.33 and 9,187.33

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Solution

The fourth proportional to 16,740.87, 23,102.33 and 9,187.33 is: 12,678.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,740.87 : 23,102.33 = 9,187.33 : x
  2. Step 2: Convert to fraction form
    16,740.87/23,102.33 = 9,187.33/x
  3. Step 3: Cross multiply
    16,740.87x = 23,102.33 × 9,187.33
  4. Step 4: Simplify right side
    16,740.87x = 212,248,694.69
  5. Step 5: Solve for x
    x = 212,248,694.69/16,740.87
  6. Step 6: Final answer
    x = 12,678.47

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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.