Home / 19,168.02-26,451.90-11,208.78

Finding the Fourth Proportional to 19,168.02, 26,451.90 and 11,208.78

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Solution

The fourth proportional to 19,168.02, 26,451.90 and 11,208.78 is: 15,468.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168.02 : 26,451.90 = 11,208.78 : x
  2. Step 2: Convert to fraction form
    19,168.02/26,451.90 = 11,208.78/x
  3. Step 3: Cross multiply
    19,168.02x = 26,451.90 × 11,208.78
  4. Step 4: Simplify right side
    19,168.02x = 296,493,527.68
  5. Step 5: Solve for x
    x = 296,493,527.68/19,168.02
  6. Step 6: Final answer
    x = 15,468.14

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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.