Home / 19,430.27-26,813.54-10,932.36

Finding the Fourth Proportional to 19,430.27, 26,813.54 and 10,932.36

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Solution

The fourth proportional to 19,430.27, 26,813.54 and 10,932.36 is: 15,086.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430.27 : 26,813.54 = 10,932.36 : x
  2. Step 2: Convert to fraction form
    19,430.27/26,813.54 = 10,932.36/x
  3. Step 3: Cross multiply
    19,430.27x = 26,813.54 × 10,932.36
  4. Step 4: Simplify right side
    19,430.27x = 293,135,272.15
  5. Step 5: Solve for x
    x = 293,135,272.15/19,430.27
  6. Step 6: Final answer
    x = 15,086.53

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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.