Home / 18,743.13-25,864.74-10,245.06

Finding the Fourth Proportional to 18,743.13, 25,864.74 and 10,245.06

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Solution

The fourth proportional to 18,743.13, 25,864.74 and 10,245.06 is: 14,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.13 : 25,864.74 = 10,245.06 : x
  2. Step 2: Convert to fraction form
    18,743.13/25,864.74 = 10,245.06/x
  3. Step 3: Cross multiply
    18,743.13x = 25,864.74 × 10,245.06
  4. Step 4: Simplify right side
    18,743.13x = 264,985,813.18
  5. Step 5: Solve for x
    x = 264,985,813.18/18,743.13
  6. Step 6: Final answer
    x = 14,137.76

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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.