Home / 25,404.81-38,107.23-10,605.66

Finding the Fourth Proportional to 25,404.81, 38,107.23 and 10,605.66

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Solution

The fourth proportional to 25,404.81, 38,107.23 and 10,605.66 is: 15,908.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,404.81 : 38,107.23 = 10,605.66 : x
  2. Step 2: Convert to fraction form
    25,404.81/38,107.23 = 10,605.66/x
  3. Step 3: Cross multiply
    25,404.81x = 38,107.23 × 10,605.66
  4. Step 4: Simplify right side
    25,404.81x = 404,152,324.92
  5. Step 5: Solve for x
    x = 404,152,324.92/25,404.81
  6. Step 6: Final answer
    x = 15,908.50

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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.