Home / 16,907.85-23,337.86-10,939.37

Finding the Fourth Proportional to 16,907.85, 23,337.86 and 10,939.37

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Solution

The fourth proportional to 16,907.85, 23,337.86 and 10,939.37 is: 15,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,907.85 : 23,337.86 = 10,939.37 : x
  2. Step 2: Convert to fraction form
    16,907.85/23,337.86 = 10,939.37/x
  3. Step 3: Cross multiply
    16,907.85x = 23,337.86 × 10,939.37
  4. Step 4: Simplify right side
    16,907.85x = 255,301,314.16
  5. Step 5: Solve for x
    x = 255,301,314.16/16,907.85
  6. Step 6: Final answer
    x = 15,099.57

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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.