Home / 18,118.77-25,004.54-10,563.82

Finding the Fourth Proportional to 18,118.77, 25,004.54 and 10,563.82

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Solution

The fourth proportional to 18,118.77, 25,004.54 and 10,563.82 is: 14,578.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.77 : 25,004.54 = 10,563.82 : x
  2. Step 2: Convert to fraction form
    18,118.77/25,004.54 = 10,563.82/x
  3. Step 3: Cross multiply
    18,118.77x = 25,004.54 × 10,563.82
  4. Step 4: Simplify right side
    18,118.77x = 264,143,459.74
  5. Step 5: Solve for x
    x = 264,143,459.74/18,118.77
  6. Step 6: Final answer
    x = 14,578.44

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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.