Home / 17,145.87-23,669.06-10,072.86

Finding the Fourth Proportional to 17,145.87, 23,669.06 and 10,072.86

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Solution

The fourth proportional to 17,145.87, 23,669.06 and 10,072.86 is: 13,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,145.87 : 23,669.06 = 10,072.86 : x
  2. Step 2: Convert to fraction form
    17,145.87/23,669.06 = 10,072.86/x
  3. Step 3: Cross multiply
    17,145.87x = 23,669.06 × 10,072.86
  4. Step 4: Simplify right side
    17,145.87x = 238,415,077.35
  5. Step 5: Solve for x
    x = 238,415,077.35/17,145.87
  6. Step 6: Final answer
    x = 13,905.10

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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.