Home / 17,939.21-24,755.73-10,386.88

Finding the Fourth Proportional to 17,939.21, 24,755.73 and 10,386.88

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Solution

The fourth proportional to 17,939.21, 24,755.73 and 10,386.88 is: 14,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.21 : 24,755.73 = 10,386.88 : x
  2. Step 2: Convert to fraction form
    17,939.21/24,755.73 = 10,386.88/x
  3. Step 3: Cross multiply
    17,939.21x = 24,755.73 × 10,386.88
  4. Step 4: Simplify right side
    17,939.21x = 257,134,868.10
  5. Step 5: Solve for x
    x = 257,134,868.10/17,939.21
  6. Step 6: Final answer
    x = 14,333.68

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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.