Home / 19,134.16-26,407.16-11,178.96

Finding the Fourth Proportional to 19,134.16, 26,407.16 and 11,178.96

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Solution

The fourth proportional to 19,134.16, 26,407.16 and 11,178.96 is: 15,428.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.16 : 26,407.16 = 11,178.96 : x
  2. Step 2: Convert to fraction form
    19,134.16/26,407.16 = 11,178.96/x
  3. Step 3: Cross multiply
    19,134.16x = 26,407.16 × 11,178.96
  4. Step 4: Simplify right side
    19,134.16x = 295,204,585.35
  5. Step 5: Solve for x
    x = 295,204,585.35/19,134.16
  6. Step 6: Final answer
    x = 15,428.14

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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.