Home / 19,187.17-26,480.19-11,228.92

Finding the Fourth Proportional to 19,187.17, 26,480.19 and 11,228.92

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Solution

The fourth proportional to 19,187.17, 26,480.19 and 11,228.92 is: 15,497.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187.17 : 26,480.19 = 11,228.92 : x
  2. Step 2: Convert to fraction form
    19,187.17/26,480.19 = 11,228.92/x
  3. Step 3: Cross multiply
    19,187.17x = 26,480.19 × 11,228.92
  4. Step 4: Simplify right side
    19,187.17x = 297,343,935.09
  5. Step 5: Solve for x
    x = 297,343,935.09/19,187.17
  6. Step 6: Final answer
    x = 15,497.02

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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.