Home / 18,543.43-25,589.99-10,045.64

Finding the Fourth Proportional to 18,543.43, 25,589.99 and 10,045.64

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Solution

The fourth proportional to 18,543.43, 25,589.99 and 10,045.64 is: 13,863.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.43 : 25,589.99 = 10,045.64 : x
  2. Step 2: Convert to fraction form
    18,543.43/25,589.99 = 10,045.64/x
  3. Step 3: Cross multiply
    18,543.43x = 25,589.99 × 10,045.64
  4. Step 4: Simplify right side
    18,543.43x = 257,067,827.14
  5. Step 5: Solve for x
    x = 257,067,827.14/18,543.43
  6. Step 6: Final answer
    x = 13,863.01

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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.