Home / 18,601.12-25,669.72-10,217.60

Finding the Fourth Proportional to 18,601.12, 25,669.72 and 10,217.60

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Solution

The fourth proportional to 18,601.12, 25,669.72 and 10,217.60 is: 14,100.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.12 : 25,669.72 = 10,217.60 : x
  2. Step 2: Convert to fraction form
    18,601.12/25,669.72 = 10,217.60/x
  3. Step 3: Cross multiply
    18,601.12x = 25,669.72 × 10,217.60
  4. Step 4: Simplify right side
    18,601.12x = 262,282,931.07
  5. Step 5: Solve for x
    x = 262,282,931.07/18,601.12
  6. Step 6: Final answer
    x = 14,100.38

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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.