Home / 18,570.25-25,626.95-10,186.75

Finding the Fourth Proportional to 18,570.25, 25,626.95 and 10,186.75

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Solution

The fourth proportional to 18,570.25, 25,626.95 and 10,186.75 is: 14,057.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.25 : 25,626.95 = 10,186.75 : x
  2. Step 2: Convert to fraction form
    18,570.25/25,626.95 = 10,186.75/x
  3. Step 3: Cross multiply
    18,570.25x = 25,626.95 × 10,186.75
  4. Step 4: Simplify right side
    18,570.25x = 261,055,332.91
  5. Step 5: Solve for x
    x = 261,055,332.91/18,570.25
  6. Step 6: Final answer
    x = 14,057.72

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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.