Home / 19,797.12-27,319.28-11,834.60

Finding the Fourth Proportional to 19,797.12, 27,319.28 and 11,834.60

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Solution

The fourth proportional to 19,797.12, 27,319.28 and 11,834.60 is: 16,331.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.12 : 27,319.28 = 11,834.60 : x
  2. Step 2: Convert to fraction form
    19,797.12/27,319.28 = 11,834.60/x
  3. Step 3: Cross multiply
    19,797.12x = 27,319.28 × 11,834.60
  4. Step 4: Simplify right side
    19,797.12x = 323,312,555.32
  5. Step 5: Solve for x
    x = 323,312,555.32/19,797.12
  6. Step 6: Final answer
    x = 16,331.29

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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.