Home / 19,186.17-26,478.81-11,227.92

Finding the Fourth Proportional to 19,186.17, 26,478.81 and 11,227.92

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Solution

The fourth proportional to 19,186.17, 26,478.81 and 11,227.92 is: 15,495.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.17 : 26,478.81 = 11,227.92 : x
  2. Step 2: Convert to fraction form
    19,186.17/26,478.81 = 11,227.92/x
  3. Step 3: Cross multiply
    19,186.17x = 26,478.81 × 11,227.92
  4. Step 4: Simplify right side
    19,186.17x = 297,301,960.38
  5. Step 5: Solve for x
    x = 297,301,960.38/19,186.17
  6. Step 6: Final answer
    x = 15,495.64

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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.