Home / 18,072.66-24,939.87-10,005.85

Finding the Fourth Proportional to 18,072.66, 24,939.87 and 10,005.85

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Solution

The fourth proportional to 18,072.66, 24,939.87 and 10,005.85 is: 13,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.66 : 24,939.87 = 10,005.85 : x
  2. Step 2: Convert to fraction form
    18,072.66/24,939.87 = 10,005.85/x
  3. Step 3: Cross multiply
    18,072.66x = 24,939.87 × 10,005.85
  4. Step 4: Simplify right side
    18,072.66x = 249,544,535.89
  5. Step 5: Solve for x
    x = 249,544,535.89/18,072.66
  6. Step 6: Final answer
    x = 13,807.85

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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.