Home / 19,141.72-26,409.24-11,585.18

Finding the Fourth Proportional to 19,141.72, 26,409.24 and 11,585.18

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Solution

The fourth proportional to 19,141.72, 26,409.24 and 11,585.18 is: 15,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141.72 : 26,409.24 = 11,585.18 : x
  2. Step 2: Convert to fraction form
    19,141.72/26,409.24 = 11,585.18/x
  3. Step 3: Cross multiply
    19,141.72x = 26,409.24 × 11,585.18
  4. Step 4: Simplify right side
    19,141.72x = 305,955,865.09
  5. Step 5: Solve for x
    x = 305,955,865.09/19,141.72
  6. Step 6: Final answer
    x = 15,983.72

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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.