Home / 19,210.08-26,499.21-11,250.78

Finding the Fourth Proportional to 19,210.08, 26,499.21 and 11,250.78

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Solution

The fourth proportional to 19,210.08, 26,499.21 and 11,250.78 is: 15,519.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.08 : 26,499.21 = 11,250.78 : x
  2. Step 2: Convert to fraction form
    19,210.08/26,499.21 = 11,250.78/x
  3. Step 3: Cross multiply
    19,210.08x = 26,499.21 × 11,250.78
  4. Step 4: Simplify right side
    19,210.08x = 298,136,781.88
  5. Step 5: Solve for x
    x = 298,136,781.88/19,210.08
  6. Step 6: Final answer
    x = 15,519.81

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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.