Home / 18,165.54-25,065.73-10,206.23

Finding the Fourth Proportional to 18,165.54, 25,065.73 and 10,206.23

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Solution

The fourth proportional to 18,165.54, 25,065.73 and 10,206.23 is: 14,083.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,165.54 : 25,065.73 = 10,206.23 : x
  2. Step 2: Convert to fraction form
    18,165.54/25,065.73 = 10,206.23/x
  3. Step 3: Cross multiply
    18,165.54x = 25,065.73 × 10,206.23
  4. Step 4: Simplify right side
    18,165.54x = 255,826,605.50
  5. Step 5: Solve for x
    x = 255,826,605.50/18,165.54
  6. Step 6: Final answer
    x = 14,083.07

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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.