Home / 43,939.16-65,908.74-10,658.94

Finding the Fourth Proportional to 43,939.16, 65,908.74 and 10,658.94

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Solution

The fourth proportional to 43,939.16, 65,908.74 and 10,658.94 is: 15,988.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,939.16 : 65,908.74 = 10,658.94 : x
  2. Step 2: Convert to fraction form
    43,939.16/65,908.74 = 10,658.94/x
  3. Step 3: Cross multiply
    43,939.16x = 65,908.74 × 10,658.94
  4. Step 4: Simplify right side
    43,939.16x = 702,517,305.14
  5. Step 5: Solve for x
    x = 702,517,305.14/43,939.16
  6. Step 6: Final answer
    x = 15,988.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.