Home / 18,165.51-25,069.14-10,207.44

Finding the Fourth Proportional to 18,165.51, 25,069.14 and 10,207.44

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Solution

The fourth proportional to 18,165.51, 25,069.14 and 10,207.44 is: 14,086.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,165.51 : 25,069.14 = 10,207.44 : x
  2. Step 2: Convert to fraction form
    18,165.51/25,069.14 = 10,207.44/x
  3. Step 3: Cross multiply
    18,165.51x = 25,069.14 × 10,207.44
  4. Step 4: Simplify right side
    18,165.51x = 255,891,742.40
  5. Step 5: Solve for x
    x = 255,891,742.40/18,165.51
  6. Step 6: Final answer
    x = 14,086.68

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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.