Home / 19,535.61-26,960.79-11,039.28

Finding the Fourth Proportional to 19,535.61, 26,960.79 and 11,039.28

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Solution

The fourth proportional to 19,535.61, 26,960.79 and 11,039.28 is: 15,235.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,535.61 : 26,960.79 = 11,039.28 : x
  2. Step 2: Convert to fraction form
    19,535.61/26,960.79 = 11,039.28/x
  3. Step 3: Cross multiply
    19,535.61x = 26,960.79 × 11,039.28
  4. Step 4: Simplify right side
    19,535.61x = 297,627,709.83
  5. Step 5: Solve for x
    x = 297,627,709.83/19,535.61
  6. Step 6: Final answer
    x = 15,235.14

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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.