Home / 18,173.88-25,077.42-10,106.91

Finding the Fourth Proportional to 18,173.88, 25,077.42 and 10,106.91

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Solution

The fourth proportional to 18,173.88, 25,077.42 and 10,106.91 is: 13,946.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173.88 : 25,077.42 = 10,106.91 : x
  2. Step 2: Convert to fraction form
    18,173.88/25,077.42 = 10,106.91/x
  3. Step 3: Cross multiply
    18,173.88x = 25,077.42 × 10,106.91
  4. Step 4: Simplify right side
    18,173.88x = 253,455,226.97
  5. Step 5: Solve for x
    x = 253,455,226.97/18,173.88
  6. Step 6: Final answer
    x = 13,946.13

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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.