Home / 25,668.72-38,465.91-10,857.24

Finding the Fourth Proportional to 25,668.72, 38,465.91 and 10,857.24

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Solution

The fourth proportional to 25,668.72, 38,465.91 and 10,857.24 is: 16,270.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668.72 : 38,465.91 = 10,857.24 : x
  2. Step 2: Convert to fraction form
    25,668.72/38,465.91 = 10,857.24/x
  3. Step 3: Cross multiply
    25,668.72x = 38,465.91 × 10,857.24
  4. Step 4: Simplify right side
    25,668.72x = 417,633,616.69
  5. Step 5: Solve for x
    x = 417,633,616.69/25,668.72
  6. Step 6: Final answer
    x = 16,270.14

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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.