Home / 18,671.29-25,766.99-10,174.08

Finding the Fourth Proportional to 18,671.29, 25,766.99 and 10,174.08

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Solution

The fourth proportional to 18,671.29, 25,766.99 and 10,174.08 is: 14,040.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671.29 : 25,766.99 = 10,174.08 : x
  2. Step 2: Convert to fraction form
    18,671.29/25,766.99 = 10,174.08/x
  3. Step 3: Cross multiply
    18,671.29x = 25,766.99 × 10,174.08
  4. Step 4: Simplify right side
    18,671.29x = 262,155,417.62
  5. Step 5: Solve for x
    x = 262,155,417.62/18,671.29
  6. Step 6: Final answer
    x = 14,040.57

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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.