Home / 19,798.08-27,321.30-10,845.60

Finding the Fourth Proportional to 19,798.08, 27,321.30 and 10,845.60

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Solution

The fourth proportional to 19,798.08, 27,321.30 and 10,845.60 is: 14,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,798.08 : 27,321.30 = 10,845.60 : x
  2. Step 2: Convert to fraction form
    19,798.08/27,321.30 = 10,845.60/x
  3. Step 3: Cross multiply
    19,798.08x = 27,321.30 × 10,845.60
  4. Step 4: Simplify right side
    19,798.08x = 296,315,891.28
  5. Step 5: Solve for x
    x = 296,315,891.28/19,798.08
  6. Step 6: Final answer
    x = 14,966.90

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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.