Home / 25,400.13-38,103.76-10,605.68

Finding the Fourth Proportional to 25,400.13, 38,103.76 and 10,605.68

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Solution

The fourth proportional to 25,400.13, 38,103.76 and 10,605.68 is: 15,910.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,400.13 : 38,103.76 = 10,605.68 : x
  2. Step 2: Convert to fraction form
    25,400.13/38,103.76 = 10,605.68/x
  3. Step 3: Cross multiply
    25,400.13x = 38,103.76 × 10,605.68
  4. Step 4: Simplify right side
    25,400.13x = 404,116,285.36
  5. Step 5: Solve for x
    x = 404,116,285.36/25,400.13
  6. Step 6: Final answer
    x = 15,910.01

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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.