Home / 18,173.18-25,079.27-10,215.41

Finding the Fourth Proportional to 18,173.18, 25,079.27 and 10,215.41

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Solution

The fourth proportional to 18,173.18, 25,079.27 and 10,215.41 is: 14,097.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173.18 : 25,079.27 = 10,215.41 : x
  2. Step 2: Convert to fraction form
    18,173.18/25,079.27 = 10,215.41/x
  3. Step 3: Cross multiply
    18,173.18x = 25,079.27 × 10,215.41
  4. Step 4: Simplify right side
    18,173.18x = 256,194,849.08
  5. Step 5: Solve for x
    x = 256,194,849.08/18,173.18
  6. Step 6: Final answer
    x = 14,097.41

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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.