Home / 16,764.14-23,138.67-9,689.54

Finding the Fourth Proportional to 16,764.14, 23,138.67 and 9,689.54

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Solution

The fourth proportional to 16,764.14, 23,138.67 and 9,689.54 is: 13,373.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,764.14 : 23,138.67 = 9,689.54 : x
  2. Step 2: Convert to fraction form
    16,764.14/23,138.67 = 9,689.54/x
  3. Step 3: Cross multiply
    16,764.14x = 23,138.67 × 9,689.54
  4. Step 4: Simplify right side
    16,764.14x = 224,203,068.51
  5. Step 5: Solve for x
    x = 224,203,068.51/16,764.14
  6. Step 6: Final answer
    x = 13,373.97

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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.