Home / 19,430.82-26,812.62-10,932.76

Finding the Fourth Proportional to 19,430.82, 26,812.62 and 10,932.76

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Solution

The fourth proportional to 19,430.82, 26,812.62 and 10,932.76 is: 15,086.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430.82 : 26,812.62 = 10,932.76 : x
  2. Step 2: Convert to fraction form
    19,430.82/26,812.62 = 10,932.76/x
  3. Step 3: Cross multiply
    19,430.82x = 26,812.62 × 10,932.76
  4. Step 4: Simplify right side
    19,430.82x = 293,135,935.24
  5. Step 5: Solve for x
    x = 293,135,935.24/19,430.82
  6. Step 6: Final answer
    x = 15,086.13

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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.