Home / 19,968.04-27,543.68-12,795.54

Finding the Fourth Proportional to 19,968.04, 27,543.68 and 12,795.54

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Solution

The fourth proportional to 19,968.04, 27,543.68 and 12,795.54 is: 17,650.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.04 : 27,543.68 = 12,795.54 : x
  2. Step 2: Convert to fraction form
    19,968.04/27,543.68 = 12,795.54/x
  3. Step 3: Cross multiply
    19,968.04x = 27,543.68 × 12,795.54
  4. Step 4: Simplify right side
    19,968.04x = 352,436,139.90
  5. Step 5: Solve for x
    x = 352,436,139.90/19,968.04
  6. Step 6: Final answer
    x = 17,650.02

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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.