Home / 19,752.34-27,265.09-11,372.18

Finding the Fourth Proportional to 19,752.34, 27,265.09 and 11,372.18

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Solution

The fourth proportional to 19,752.34, 27,265.09 and 11,372.18 is: 15,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,752.34 : 27,265.09 = 11,372.18 : x
  2. Step 2: Convert to fraction form
    19,752.34/27,265.09 = 11,372.18/x
  3. Step 3: Cross multiply
    19,752.34x = 27,265.09 × 11,372.18
  4. Step 4: Simplify right side
    19,752.34x = 310,063,511.20
  5. Step 5: Solve for x
    x = 310,063,511.20/19,752.34
  6. Step 6: Final answer
    x = 15,697.56

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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.