Home / 18,029.72-24,881.10-10,072.28

Finding the Fourth Proportional to 18,029.72, 24,881.10 and 10,072.28

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Solution

The fourth proportional to 18,029.72, 24,881.10 and 10,072.28 is: 13,899.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,029.72 : 24,881.10 = 10,072.28 : x
  2. Step 2: Convert to fraction form
    18,029.72/24,881.10 = 10,072.28/x
  3. Step 3: Cross multiply
    18,029.72x = 24,881.10 × 10,072.28
  4. Step 4: Simplify right side
    18,029.72x = 250,609,405.91
  5. Step 5: Solve for x
    x = 250,609,405.91/18,029.72
  6. Step 6: Final answer
    x = 13,899.79

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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.