Home / 27,562.18-38,039.67-19,930.24

Finding the Fourth Proportional to 27,562.18, 38,039.67 and 19,930.24

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Solution

The fourth proportional to 27,562.18, 38,039.67 and 19,930.24 is: 27,506.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,562.18 : 38,039.67 = 19,930.24 : x
  2. Step 2: Convert to fraction form
    27,562.18/38,039.67 = 19,930.24/x
  3. Step 3: Cross multiply
    27,562.18x = 38,039.67 × 19,930.24
  4. Step 4: Simplify right side
    27,562.18x = 758,139,752.62
  5. Step 5: Solve for x
    x = 758,139,752.62/27,562.18
  6. Step 6: Final answer
    x = 27,506.52

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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.