Home / 16,707.38-25,038.90-13,939.47

Finding the Fourth Proportional to 16,707.38, 25,038.90 and 13,939.47

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Solution

The fourth proportional to 16,707.38, 25,038.90 and 13,939.47 is: 20,890.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,707.38 : 25,038.90 = 13,939.47 : x
  2. Step 2: Convert to fraction form
    16,707.38/25,038.90 = 13,939.47/x
  3. Step 3: Cross multiply
    16,707.38x = 25,038.90 × 13,939.47
  4. Step 4: Simplify right side
    16,707.38x = 349,028,995.38
  5. Step 5: Solve for x
    x = 349,028,995.38/16,707.38
  6. Step 6: Final answer
    x = 20,890.71

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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.